Posts Tagged ‘ jewelry ’

Raw video: Robbery Suspect is Tackled by Brave Bystanders in Seattle

September 25, 2012
Raw video: Robbery Suspect is Tackled by Brave Bystanders in Seattle

Video Courtesy:KING 5 photographer Pete Cassam(Any copyright issue?message me, video will be removed as soon as possible)The citizens of Seattle showed that they don’t take kindly to crime in their city. Pedestrians in downtown Seattle jumped into action on Friday after an armed thief robbed a jewelry store – with a group of bystanders stopping the suspect and holding the man down in a scary sidewalk melee in front of the Hotel MAX until police could arrive. A hotel doorman was shot in the scuffle but the suspect was arrested and the loot he attempted to run off with was recovered. It all began early on Friday morning, when a man, donning a white rubber mask and carrying a gun, stole a tray of platinum-colored rings from the Express Jewelers boutique in the Westlake Center shopping mall. During the heist, the thief fired shots, which were heard at a Wells Fargo branch located at the mall. Bank employees alerted police to a suspicious incident. The robber fled the jewelry store and ran from the mall but he was chased by 35-year-old Roberto Sandoval, a doorman at the nearby Mayflower Park Hotel. Sandoval pursued the thief for several blocks until the suspect shot the hotel employee, directly across from the federal courthouse, hitting him in the arm. When the shots were fired on the street, bystanders sprang into action. At one point as many as five burly men were piled on top of the robber, shouting out expletives as the suspect squirmed beneath them. ‘He was fighting hard …

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Robbery Suspect Captured on Tape NR12225cj

May 17, 2012
Robbery Suspect Captured on Tape NR12225cj

Los Angeles: Detectives are asking for the public’s help to identify a robber who stole two Rolex watches from a jewelry shop inside of a mall in Century City. On May 10, 2012, around 4:50 pm, LAPD West Los Angeles officers received a call of a robbery at a mall in the 10200 block of Santa Monica Boulevard. When the officers arrived, they immediately checked for the safety of the employees and searched the area for possible suspects. The officers were unable to locate any suspect in the vicinity. A security guard suffering from minor injuries, was treated at the scene by LAFD Rescue personnel. After a thorough investigation detectives believe a man walked into the jewelry store and asked one of the employees to look at some watches. When the employee presented the watches, the suspect grabbed one watch from the tray and forced the second watch from the employee’s hand. He then ran towards the exit and was tackled by a security guard. The suspect managed to break free and ran southbound through the mall and out toward Constellation Boulevard. The suspect is described as a 23 to 26-year-old male African American. He stands between 5’4 and 5’6 inches tall and weighs between 130 and 145 pounds. The two watches are valued at $64900.00. Anyone with information about this crime is asked to contact West Los Angeles Area robbery Detective Stanley Evans at 310-444-1520.During non-business hours or on weekends, calls should be directed to 1-877-LAPD-24-7 (877-527-3247). Anyone …

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intent upon the perfection of the present day.

May 3, 2012
intent upon the perfection of the present day.

Low Lux x Erin Wasson Double Bone Ring, $80.00;  Low Lux x Erin Wasson  Bone Cage Ring, $65.00;  Tuscan Stone Ring, $18.00;  Triple Stone Ring, $30.00 All available at  ShopNastyGal.com

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Retro Period Guide – Jewelry Design and Styles

April 19, 2012
Retro Period Guide – Jewelry Design and Styles

After the bold, sleek designs and decadence of the Art Deco period , jewelry took a decidedly softer turn. The Retro Period (1935 to 1960) was characterized by romantic motifs, the heavy use of gold, and “larger than life” sized jewelry. Retro Period jewelry aesthetic and style During the Retro Period, America was reeling from its involvement in World War II. Amid the turmoil overseas and the uncertainty at home, society turned to Hollywood for a romantic, “larger than life” escape from reality. Retro Period jewelry reflects this escapism: mimicking the abundance and glamour of Hollywood, designers crafted enchanting, oversized pieces that created a sense of romance and grace. Settings that featured pleats or drapes were also popular. Charm bracelets , watches and necklaces were particularly vogue during this jewelry period , as were oversized pins, clips and cocktail rings. The Duchess of Windsor’s bold style and fondness for cat motifs also propelled many of the period’s luxury jewelry trends. Popular metals, gems and stones during the Retro Period Gold is the hallmark of Retro Period jewelry. Although platinum was vogue during the Art Deco period, wartime restrictions made it largely unavailable for jewelry making during the Retro years. Thus, yellow gold became the metal of choice in the 1940s and 1950s. Yellow gold was often paired with rose or green alloys to create settings with a soft, romantic luster. Stones such as aquamarine , topaz, amethyst and citrine were extremely popular during the Retro Period, and like most jewelry settings from this period, were magnificent in size. The rectangular cut was one of the period’s most popular cuts, featuring prominently in cocktail rings with oversized stones. Although luxury designers still used rubies , sapphires and diamonds as accents, this period also saw the birth of costume jewelry using synthetic gems and wallet-friendly stones. Popular jewelry motifs during the Retro Period A Retro Period motif is unmistakable. Bows , fans, ribbons and ruffles reinforced this period’s femininity, while nature-inspired images such as flowers also began to grace everything from earrings and rings to brooches . Patriotic motifs were vogue, especially during the wartime periods, as were sculptural or 3-D designs that mimicked the movement of fabric. And although the trends varied from year to year, one thing remained constant: motifs during the Retro Period were almost always oversized, reflecting the grandness of Hollywood. Popular jewelry designers during the Retro Period Designers such as Cartier, Harry Winston and Van Cleef & Arpels shaped the luxury jewelry aesthetic during the Retro Period. With its nature-inspired designs and eye for romance, Van Cleef & Arpels ushered in the period’s emphasis on femininity and glamour more than any other design house. To this day, Van Cleef & Arpels is synonymous with 1940s and 1950s naturalism, an aesthetic just as vogue today as it was a half-century ago. Retro Period jewelry and Diamond & Estate Trust The Retro Period is defined by romance and glamour, a spirit captured meticulously by this 1950s-inspired custom ring in the Diamond & Estate Trust collection . Named the Aurora, this romantic ring features a soft 18K gold setting paired with lustrous yellow and pink colored diamonds. The center stone of this floral ring is a .72 carat GIA certified fancy intense pink diamond . A delicate row of white diamonds and 7 carats of perfectly matched natural fancy yellow pear-shaped diamonds complete this ring’s bouquet motif. This custom ring seamlessly blends the Retro Period’s fondness for oversized jewelry and love of whimsical, nature-inspired images. The Aurora is our tribute to the Van Cleef & Arpels designs that defined 1950s naturalism. Whether you’re looking for a funky cocktail ring or a romantic brooch or pin, you’ll find the perfect Retro Period piece in Diamond & Estate Trust’s luxury jewelry collection .  With an unparalleled inventory of loose gems such as sapphires, emeralds, rubies and diamonds , and vintage pieces including watches, rings and signed designer pieces, Diamond & Estate Trust is regarded as the premier luxury jewelry buyer and seller in Southern California. Read the rest here: Retro Period Guide – Jewelry Design and Styles

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Huguette Clark Auction – Christie’s Jewelry Sale Results

April 18, 2012
Huguette Clark Auction – Christie’s Jewelry Sale Results

The last known photo of copper heiress Huguette Clark, whose jewelry and gems sold for $21 million at an April 17 Christie's auction. When the head of Christie’s jewelry department discovered gorgeous, mint-condition jewelry and gems in copper heiress Huguette Clark ’s vault last month, he said it was like “chasing a rainbow and finding a big pot of gold at the end of it.” And when those Art Deco jewels went up for auction yesterday, they fetched an unbelievable $18.3 million ($20.8 million with commission) – almost double Christie’s estimate. A pink diamond, left, and a colorless diamond shattered sale estimates at the Christie's auction. It’s no surprise that the 9 carat cushion cut Belle Epoque pink diamond ring that Huguette inherited from her mother was the star of the auction. The gorgeously cut, perfect condition pink diamond sold for an astonishing $15.7 million including commission ($14 million base price). It’s the latest indication that the world is still enamored with colored diamonds (and especially pink diamonds ). Another spectacular diamond up for auction was a GIA certified 19.86 carat rectangular cut white diamond with the best color grade (D color) and internally flawless clarity. The colorless diamond, cut in the 1930s by famed jeweler Cartier , sold for $3.1 million. Two Cartier Art Deco bracelets auctioned on April 17. Two signed Cartier diamond bracelets circa 1920 also commanded high prices at the Huguette Clark auction . The first, a geometric link diamond bracelet circa 1925 bearing the Cartier signature, sold for $578,500. The second, a sleek Art Deco Cartier diamond bracelet with rectangular emerald accent stones, was snatched up for $90,000. Huguette was wearing these two Cartier Art Deco bracelets in her last known photograph. A ruby , sapphire, emerald and gold Tiffany & Co. bracelet took in more than $260,000, and onyx photo frames sold for a surprising $60,000 each. Two Art Deco bracelets from the Diamond & Estate Trust collection. Huguette Clark’s jewelry and gems showcase the best of Art Deco jewelry design from the most chic designers of the era. Want to own a piece of vintage 1920s? Diamond & Estate Trust has a stunning collection of Art Deco bracelets, including sapphire and diamond bracelets , brooches , and rings that will add antique flair to your jewelry box. The 1920s have been roaring back into vogue lately, making there no better time than now to indulge in Art Deco jewelry. Diamond & Estate Trust is Southern California’s premier buyer and seller of vintage estate jewelry, loose gems such as diamonds , sapphires and rubies , and luxury watches from Rolex , Audemars Piguet and Patek Philippe . We work with an elite international clientele to ensure each piece embodies luxury.  Original post: Huguette Clark Auction – Christie’s Jewelry Sale Results

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Yellow Diamond Guide – Celebrity Jewelry Trends 2012

April 10, 2012
Yellow Diamond Guide – Celebrity Jewelry Trends 2012

With spring finally upon us, it only seems fitting to devote some time to the colored diamond , spring 2012’s most vibrant jewelry trend. First up in Diamond & Estate Trust’s colored diamond series is the yellow diamond , which has long been celebrated for its lively hue but has become even more vogue lately thanks to celebrities such as Heidi Klum , Jennifer Lopez and Michelle Mangan. Here’s everything you need to know about the yellow diamond. What are some famous yellow diamonds? The Tiffany Yellow Diamond When most people think of the yellow diamond, the Tiffany Yellow is the first gem that comes to mind. Discovered in 1877 at South Africa’s Kimberley mine, the Tiffany Yellow has a stunning, rich saturation. It was a magnificent 287.42 carats when discovered, but was later cut into an awe-inspiring 128.51 carat cushion cut. One of the most recent yellow diamonds to go up for auction is the 110-carat Sun-Drop Diamond . The fancy vivid yellow diamond , found in South Africa and cut in a beautiful pear shape, fetched $11.3 million at a Sotheby’s auction in late 2011. It’s the latest indication of the yellow diamond’s strong popularity. Other famous yellow diamonds include the 407.48 carat Incomparable Diamond, the 205.47 carat Red Cross Diamond, the 137.37 carat Florentine Diamond, and the 132.43 carat cushion cut Sarah Diamond How rare are yellow diamonds? One in 10,000 diamonds mined is a color other than white. Within the spectrum of colored diamonds , the yellow diamond falls in the middle of the road: it’s more rare than brown or black diamonds, but a bit more common than red or blue diamonds. But even though the yellow diamond isn’t the rarest of the colored diamonds , it is still exceptional to find one with a natural yellow hue: a mere .1 percent of all diamonds mined have an intense fancy yellow color. How do yellow diamonds get their color? A fancy intense yellow diamond Yellow diamonds get their gorgeous, lively hue when there’s a surplus of nitrogen available while a diamond is forming. The more nitrogen trapped within a diamond’s carbon molecules, the more intense the diamond’s yellow hue. When you’re determining the worth of a yellow diamond, remember that a more vibrant hue is generally more valuable. Canary yellow diamonds, which are typically pale in color, are worth less than the darker, richer intense fancy yellow diamonds (although both lately have been commanding much higher prices than white diamonds !) It’s also important to remember that naturally enhanced (heat treated) yellow diamonds are far less valuable than yellow diamonds with a natural yellow color. Be sure to check a GIA certification to make sure the yellow diamond you’re considering hasn’t been artificially treated to achieve its color. What cuts and shapes are best for yellow diamonds? Yellow diamonds are typically seen flanked by white diamonds , which provide contrast that brings out the beauty of the yellow diamond’s hue. Fiery cuts such as the radiant, princess and brilliant cuts are preferred for yellow diamonds, as these cuts have striking facets that amplify a colored diamond’s color and depth. Which celebrities wear yellow diamonds? Marilyn Monroe and the Moon of Baroda Heidi Klum made fashion waves when she selected a large, cushion cut fancy light yellow diamond ring for her engagement to then-husband Seal. Hillary Clinton wore the gorgeous Kahn Canary Diamond to Bill Clinton’s presidential inauguration in 1993, and Carrie Underwood wears a 5 carat round brilliant yellow diamond engagement ring. Cate Blanchett, Julianne Moore, and Penelope Cruz have recently chosen yellow diamonds to complete their Red Carpet looks. And we can’t forget to mention Marilyn Monroe: the jewelry icon wore the famous Moon of Baroda yellow diamond to the premier of her film Gentlemen Prefer Blondes . Yellow diamonds and Diamond & Estate Trust Diamond & Estate Trust has an exquisite collection of colored diamonds of every hue imaginable. And when it comes to yellow diamonds, this stunning custom piece in our collection takes the prize.  Called the Aurora , this show-stopping custom piece featured a gorgeous .72 carat GIA certified fancy intense pink diamond bordered by round white diamonds and 7 carats of perfectly matched natural fancy yellow pear shaped diamonds that complete its lustrous look. A buttery 18K gold setting complements the striking color of this ring’s yellow diamonds and ensures that once you slip it on, your hand will glow from every angle. It’s not every day you come across a yellow diamond ring, let alone one with this many gorgeous fancy color graded yellow diamonds. Diamond & Estate Trust is the premier buyer and seller of diamonds, gems, vintage jewelry and luxury watches in Los Angeles and Southern California. For the ultimate statement piece, look no further than our exquisite collection of colored diamonds . Visit link: Yellow Diamond Guide – Celebrity Jewelry Trends 2012

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2012 ACM Awards – Jewelry on Display

April 3, 2012
2012 ACM Awards –  Jewelry on Display

On Sunday night, country music’s brightest stars gathered in Las Vegas for the country music equivalent to the Grammys : the 47 th Annual Academy of Country Music Awards. And when it comes to jewelry and fashion, three of country music’s heavy hitters stole the Red Carpet. Blonde bombshells Taylor Swift, Miranda Lambert, and Carrie Underwood chose warm neutral tones and gorgeous diamond jewelry for their ACM Awards Red Carpet looks . This 5.69 carat radiant cut diamond would be the perfect complement to Taylor Swift's white dress at the ACM Awards. Taylor Swift, who won the ACM award for Entertainer of the Year, wore a stunning, white J Mendel gown with subtle metallic piping and daring side cutouts when she hit the ACM Red Carpet . And her jewelry mimicked the gold flashes in her gown perfectly: The singer’s Lorraine Schwartz diamond drop earrings added just the right amount of shine, and her chunky gold and diamond bracelets softened the tone of her sophisticated look. Carrie Underwood always looks feminine and sophisticated on the Red Carpet, and this year’s ACM Awards was no exception. The two-award nominated singer wore a custom strapless Abed Mahfouz gown with chic beaded embellishments and sheer detailing. To complement the buttery yellow hue of her couture gown, Carrie chose classic Jonathan Arndt jewelry. Her diamond and platinum cluster earrings were subtle against her gown’s heavy beading, and her oversized platinum flower ring was a funky statement piece fitting for the Red Carpet. This cushion cut diamond with a striking blue fluorescence is similar to the diamonds in Carrie Underwood's 2012 ACM Awards Red Carpet earrings. Miranda Lambert left the 47 th Annual Academy of Country Music Awards with the award for best female vocalist and mixed reviews for her gold glam Randi Rahm gown. The floor-length heavily embellished dress had enough shine to fill the entire Red Carpet, so the singer made the right choice by wearing soft gold and diamond chandelier earrings that didn’t compete with her dress’ megawatt shine. To complete her Fred Leighton jewelry look, the singer (and wife of Blake Shelton, the night’s Best Male Vocalist winner) chose a striking gold and diamond bracelet featuring two gold bands and a diamond-studded bird motif. A classic, pear shaped diamond from the Diamond & Estate Trust collection. White and gold were by far the most popular shades of the evening at the 2012 ACM Awards, and nothing accents these soft colors like brilliant diamonds . Diamond & Estate Trust’s collection includes exquisite loose diamonds in a variety of cuts and carats; once you select the perfect diamond to suit your style, our experts will create you a custom piece as striking as the statement jewelry on the 2012 ACM Red Carpet. Need help picking the perfect diamond ? Why not take a look at these three recent additions to our collection : a classic 6.25 carat pear shaped diamond that would make a romantic ring; a 4.01 carat cushion cut diamond with a striking blue fluorescence; or a 5.69 carat radiant cut diamond that would amplify any simple setting. Diamond & Estate Trust is Southern California’s premier buyer and seller of loose gems , vintage jewelry and signed designer pieces. Have a piece of jewelry worthy of the Red Carpet? Let our experts give you a fair appraisal on your vintage and luxury jewelry. More: 2012 ACM Awards – Jewelry on Display

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4.98 Carat Burma No Heat Ruby Ring – Spring Equinox Jewelry

March 29, 2012
4.98 Carat Burma No Heat Ruby Ring – Spring Equinox Jewelry

After three months of winter, we’re ecstatic that spring is finally here. It’s a time of year we love for so many reasons: the blooming flowers and new life, the extra hours of sunlight and, of course, the warm, pleasant weather. There’s no better way to celebrate first day of spring, also known as the vernal equinox or spring equinox, than with a vibrant, lively piece of jewelry inspired by Mother Nature. This gorgeous ring from the Diamond & Estate Trust collection is sure to wipe away your winter blues and get you in the mood for a lively spring. This 4.98 carat Burma no heat ruby ring embodies the life and spirit of spring. Its center stone, an oval brilliant cut ruby, has a gorgeous fuchsia-red hue that is found in some of nature’s most beautiful flowers. A no-heat gem from Burma , the most coveted region for rubies, this oval brilliant cut ruby is a truly exceptional gem in a high-quality mount. The Burmese ruby is said to show a unique, vivid brilliance under any light, so it’s no wonder that this gorgeous gem has been coveted throughout history by the world’s fashion icons and royalty alike. But what makes this ring even more spectacular is the brilliant round diamonds and baguette diamonds that border the ring’s chic platinum setting. These lustrous diamonds are lively, jubilant and emphasize the vivid hue of the 4.98 carat Burma no heat ruby. Once you slip on this ruby and diamond platinum ring , you’ll instantly feel rejuvenated. There’s no better look for spring than a piece of vibrant jewelry. Diamond & Estate Trust has an exquisite collection of vintage ruby rings and earrings that will breathe new life into your jewelry box. And if you’re looking for a custom piece , our collection of loose, no-heat Burma rubies is unparalleled. Turn to Diamond & Estate Trust this spring for a luxury jewelry look that is as lively and spirited as you are. Perhaps no jewelry designer embodies springtime more than Van Cleef & Arpels . The legendary designer is renowned for marrying romantic, nature-inspired motifs with the world’s most gorgeous gems and stones. If this post hasn’t put you in the springtime mood, this short video on Van Cleef & Arpels’ spring collections surely will. Diamond & Estate Trust specializes in acquiring and selling antique, estate or vintage jewelry, loose gems such as rubies , sapphires , diamonds and colored diamonds , and designer watches from brands like Patek Philippe, Rolex and Audemars. We’re the most trusted source for luxury jewelry in Los Angeles, Southern California and beyond. More here: 4.98 Carat Burma No Heat Ruby Ring – Spring Equinox Jewelry

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Huguette Clark Christie’s Auction – Art Deco Jewelry and Gems

March 29, 2012
Huguette Clark Christie’s Auction – Art Deco Jewelry and Gems

Less than six months after Christie’s held the record-breaking auction of Elizabeth Taylor’s jewelry , the legendary auction house has another major celebrity sale on its hands: the sale of reclusive copper heiress Huguette Clark’s stunning diamonds and Cartier and Tiffany jewelry, all from the Art Deco period. Christie’s says the collection could fetch $9 million to $12 million when it goes up for auction in April. The last known photo of copper heiress Huguette Clark When Christie’s jewelry department head Rahul Kadakia saw the contents inside the jewelry vault of Huguette Clark, who died last year at 104 years old, he was stunned at the gorgeous jewelry and gems, all in their original boxes, that the heiress had stowed away since the 1940s. “It was like chasing a rainbow and finding a big pot of gold at the end of it,” Kadakia said of discovering one exquisite signed designer piece after another. So which of Huguette Clark’s pieces will go on the auction block at the April 17 th Christie’s sale? The most exquisite piece is a 9 carat cushion cut pink diamond ring that Huguette inherited from her mother. Given the huge price tag of the last pink diamond  auctioned by Christie’s — a 5 carat pink diamond that sold for $ 2 million per carat – the auction house expects this gorgeously cut, perfect condition pink diamond from 1910 to sell for $10 million to $15 million. Another of Huguette’s gorgeous diamond rings is expected to fetch $2 million to $4 million at the April Christie’s auction. The spectacular GIA certified 19.86 carat rectangular cut white diamond has the best color grade, D color, is internally flawless and was cut in the 1930s by famed jeweler Cartier . Christie’s officials said that even in the dimly lit bank vault, they immediately knew the colorless diamond was a spectacular stone. And given the world’s fascination with Art Deco jewelry, two 1920s signed Cartier diamond bracelets will likely be hot items at the Huguette Clark sale. The first, a gorgeous geometric link diamond bracelet circa 1925 bearing the Cartier signature, is expected to sell for $300,000 to $500,000. The second, also circa 1925, is a sleek Art Deco Cartier diamond bracelet with chic rectangular emerald accent stones, valued at $50,000 to $70,000. Huguette was wearing these two exquisite Cartier Art Deco bracelets in her last known photograph. (The Tiffany & Co. single-strand pearl necklace also featured in that photo is set to sell for $20,000 to $30,000.) Other items up for auction Some of Huguette’s other pieces up for auction include an Art Deco Mother of Pearl, coral and diamond desk clock from Cartier , which could fetch $15,000 or more; a diamond , ruby and sapphire American flag brooch by Cartier, worth $30,000 to $50,000; a ruby , sapphire and emerald gold Tiffany & Co. bracelet circa 1915, estimated at $30,000 to $50,000, and possibly made by Louis Comfort Tiffany; and an onyx, turquoise and diamond photograph frame by Cartier with a portrait of Huguette’s younger sister inside, worth $5,000 to $7,000. Art Deco and Diamond & Estate Trust Huguette Clark’s collection showcases the best of sleek, geometric Art Deco jewelry design from some of the most chic designers of the era. Want to own a piece of vintage 1920s jewelry but can’t make it to the April auction ? Diamond & Estate Trust has an exquisite collection of Art Deco bracelets, including gorgeous sapphire and diamond bracelets , brooches , and rings that will add vintage flair to your collection. And with the 1920s roaring back into vogue lately, there’s no better time to treat yourself to a piece of Art Deco jewelry. Want to hear more about Huguette’s jewelry and gems? Here’s a video of Christie’s jewelry department head Rahul Kadakia talking about the amazing pieces found in Huguette’s vault! Diamond & Estate Trust is the most trusted diamond and vintage jewelry seller in Los Angeles and Southern California. With an exquisite collection of diamonds , rubies , sapphires and emeralds, estate jewelry and watches, Diamond & Estate Trust can help you find the perfect vintage or signature piece for any occasion. Read more: Huguette Clark Christie’s Auction – Art Deco Jewelry and Gems

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What Are The Best Diamond & Gem Certification Agencies? – Jewelry 101

March 29, 2012
What Are The Best Diamond & Gem Certification Agencies? – Jewelry 101

When you’re looking to buy, sell or know more about a particular gem , a certification report is the best starting point. A certification can help you understand a gem’s cut, clarity, carat, clarity and other qualities — all important when determining how much a diamond or other precious gem is worth. Here’s a quick guide to the most trusted gem certification institutes and how they evaluate a diamond , colored diamond , ruby , sapphire or emerald. Two certified gems from the Diamond & Estate Trust collection: a diamond, left, and a sapphire. Gemological Institute of America (GIA) The GIA is the most well-known institute for grading and evaluating diamonds , colored stones and pearls. A nonprofit institute, GIA has been providing reports on the quality of diamonds, colored stones and pearls since 1931. It’s considered to have the highest standards of all the major gem certification agencies. What you’ll find in a GIA report The GIA objectively compares and evaluates diamonds using the 4 C’s : carat, color, clarity and cut. It developed the 4C system in the 1940s, and has been using it ever since. The GIA’s color grading scale for diamonds ranges from D to Z, with D, the closest to colorless, being the most coveted grade. The GIA determines how many blemishes and inclusions a diamond has on a scale of flawless (most desirable) to included (least desirable). The institute grades cut based on how a diamond reflects light, the dispersion of that light, and the how much a diamond sparkles when it’s moved. You’ll also find grading for polish, symmetry and fluorescence in a GIA report. The GIA grades colored gems including colored diamonds , rubies and sapphires based on weight, facet angles and proportions. It also determines the gem’s origin and whether the gem was heated, or artificially treated, to achieve its color. The GIA has a separate color grading system for colored diamonds that ranges from vivid (most valuable) to light (least valuable). A GIA report also includes a diamond’s shape, measurements, weight, depth percentage, table percentage, girdle thickness, culet size, and general comments about the gem that was evaluated. A certified pear shaped diamond, left, and a certified ruby, both from the Diamond & Estate Trust collection. American Gem Society (AGS) The AGS is a nonprofit trade organization founded in 1934. Its membership includes fine jewelers, jewelry designers and jewelry suppliers throughout the U.S. The AGS has been certifying and grading diamonds and other gems since 1996. What you’ll find in an AGS report The AGS uses the 4C criteria for determining the quality of a diamond or gem. But one aspect that makes the AGS different is that it uses a scale of 0 to 10 for its cut, color and clarity grades. For cut, 0 is ideal and 10 is poor; for color, 0 is equivalent to the GIA’s D colorless grade; and for clarity, 0 matches the GIA flawless/internally flawless grade (I/IF). A colorless diamond with the finest cut grade and no blemishes or inclusions would get the “000” AGS grade. AGS also provides information on shape, weight and measurements. It gives a more in-depth view than the GIA on pavilion and crown angles. Gueblin Gem Lab The Gueblin Gem Lab dates back to the early 19 th Century, and has been providing scientific evaluations of gems since the 1960s. Two of the lab’s first gem report clients were luxury jewelry auction houses Christie’s and Sotheby’s. What you’ll find in a Gueblin report For diamonds, Gueblin uses the 4C scale developed by the GIA. It also provides table and depth percentages, information on girdle and culet, and a commentary on a diamond’s fluorescence. Gueblin also identifies origin , species and treatments (if any) for colored gems such as rubies and sapphires . A certified Asscher cut diamond, left, and a certified Kashmir sapphire, both from Diamond & Estate Trust. European Gemological Laboratory (EGL) The EGL is a for-profit company that certifies diamonds and colored gems around the world. It is known for having less strict standards than the GIA when evaluating a diamond or gem. Like the GIA, the EGL grades diamonds , colored diamonds , rubies, sapphires and other colored stones. What you’ll find in an EGL report An EGL report grades a diamond on the 4Cs using the same scales developed by the GIA. It also provides an in-depth look at a gem’s proportions, including its depth, table, crown, pavilion, girdle and culet. International Gemological Institute (IGI) The IGI is the largest independent laboratory for grading and evaluating jewelry and gems, and has been in existence for about 30 years. It’s considered to have more lenient standards than the GIA. What you’ll find in an IGI report The IGI grades using the same 4C scales as the GIA. Like the AGS, the IGI also provides more in-depth information on a gem’s crown and pavilion angles than the GIA does. Looking to buy a certified diamond , ruby or sapphire ? Diamond & Estate Trust has a wide range of certified diamonds and colored gems that you can trust to be of the highest quality imaginable. We use our discerning eye to select only the most exquisite gems for our collection , which is one of the finest examples of luxury jewelry in Southern California. Read more from the original source: What Are The Best Diamond & Gem Certification Agencies? – Jewelry 101

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