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Agta Spectrum Award

197.00ctw Lightning Ridge Black Opal 6.27ct Diamond AGTA Award Winning Necklace
Located in Houston, TX
Spectrum Award-winning piece by the John Ford Lightning Ridge Collection has 6 freeform opal gems
Category

21st Century and Contemporary Australian Drop Necklaces

Materials

Diamond, Opal, Black Opal, Platinum

197.00ctw Lightning Ridge Black Opal 6.27ct Diamond AGTA Award Winning Necklace
Located in Houston, TX
Spectrum Award-winning piece by the John Ford Lightning Ridge Collection has 6 freeform opal gems
Category

21st Century and Contemporary Australian Drop Necklaces

Materials

Diamond, Opal, Black Opal, Platinum

Flame Shaped Imperial Topaz Multi-Colored Sapphire Accents - 18kt Custom Pendant
Located in Methuen, MA
the AGTA's (American Gem Trade Association) Annual Spectrum Awards Contest for Jewelry upon completion
Category

2010s North American Art Nouveau Pendant Necklaces

Materials

Sapphire, Topaz, Imperial Topaz, 18k Gold

60.15ct Yellow Sapphire w 6.12ctw Yellow Diamonds and 3.34ctw White Diamond Ring
By Yael Designs
Located in Houston, TX
Spectrum Design Award, one of the most prestigious design competitions in the jewelry industry. It was
Category

21st Century and Contemporary Sri Lankan Cocktail Rings

Materials

Diamond, White Diamond, Yellow Diamond, Yellow Sapphire, 18k Gold, White...

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Brilliant White Diamond Platinum Yellow Gold Tiny Fly Necklace, Pedro Boregaard
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Contemporary Diamond Coiled Serpent Bracelet
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Contemporary Diamond Coiled Serpent Bracelet in 18k White Gold. This bejeweled bracelet is compiled by circular diamonds configured in a continuous bombé shape; designed as a serpen...
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63.40 Carats Total Pear Shape Colombian Green Emerald and Diamond Necklace
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Located in New York, NY
Elegant and well crafted high end necklace that took Roman Malakov more than a decade to source the stones, and make. Showcases perfectly-matched 20 pear shape green emeralds weighin...
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1940s French Set of Diamond and Burma No Heat Ruby Necklace and Earrings
Located in New York, NY
1940's French Diamond and Ruby Necklace and Earrings Set The necklace has approximately 75ct of rubies and 40-42ct of diamonds all set in Platinum, and the clasps are white gold. The...
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Mid-20th Century French Art Nouveau Drop Necklaces

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GIA Certified 3.66 Oval Cut Fancy Light Pink Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
A beautiful pink diamond engagement ring showcasing a 3.66 carat oval cut pink diamond certified by GIA as Fancy Light Pink Color, Internally Flawless in Clarity. Surrounding the cen...
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Harry Winston Emerald Diamond Cluster Platinum Detachable Earrings
By Harry Winston
Located in New York, NY
Harry Winston Emerald Diamond Cluster Detachable Earrings in Platinum. A noteworthy pair of on-the-ear clips from the 1960s, by Jacques Timey for Harry Winston. This stunning pair f...
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Vintage 1960s American Drop Earrings

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Diamond, Emerald, Platinum

Art Deco Harlequin Precious Black Opal Baguette Diamond Engagement Ring Platinum
Located in Lisbon, PT
Art Deco Australian Lightning Ridge Harlequin precious black opal and baguette-cut diamond engagement or cocktail ring in platinum, circa 1930, probably American. This ring features ...
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Vintage 1930s American Art Deco Engagement Rings

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Platinum Adler 45ct Asscher Cut Diamonds Tennis Bracelet Sultan Qaboos Bin Said
By Adler
Located in Antwerp, BE
Platinum Adler Genèva Ca.45 Ct Asscher Cut Diamonds Tennis Bracelet to His Majesty Sultan Qaboos Bin Said One of a kind Tennis Bracelet completely hand made from solid Platinum. Di...
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20th Century Swiss Artisan Tennis Bracelets

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Antique Austrian Oval Cufflinks in 14k Gold with Ebony
Located in San Rafael, CA
A superb pair of double-sided cufflinks handmade in Austria in the early 20th Century. The cufflinks are rendered in solid 14K yellow gold and feature four oval discs in rich, blac...
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Early 20th Century Austrian Art Nouveau Cufflinks

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14k Gold, Yellow Gold

Purple Star Sapphire Diamond Cocktail Ring
Located in Palm Desert, CA
Electronically tested 14k rose gold custom cast purple star sapphire and diamond ring. The featured purple star sapphire is set within a diamond bezel, supported by diamond set shoul...
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4.63ct Old Mine Brilliant Cut Diamond Ring with Pear Shape Shoulders
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Located in London, GB
A stunning old cut diamond ring by Hancocks, set to the centre with a beautifully bright and lively old mine brilliant cut diamond weighing 4.63cts and of G colour and VVS2 clarity i...
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21st Century and Contemporary Engagement Rings

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7.16 Carat Precious Imperial Topaz Oval, Unset Loose Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This beautiful 7.16 carat precious topaz has brilliant apricot-orange color and exceptional clarity! Measuring 13.43 x 9.40 x 7.08 millimeters, this beautifully well-proportioned ova...
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21st Century and Contemporary Loose Gemstones

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Black Opal Phoenix bird Carving for necklace Cobalt Blue 68 carats
Located in Berlin, DE
One of a kind piece - Black Opal "Phoenix" bird carved by Daniela L`Abbate, world champion of Opal carving opal origin - Australia opal weight - 68.85 carats opal measurements - 0.3...
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2010s Australian Art Nouveau Vanity Items

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Opal, Black Opal

Important Giuliano Enamel Necklace
By Carlo and Arthur Giuliano
Located in London, GB
An Important Carlo and Arthur Giuliano enamel, diamond and sapphire necklace signed C & AG, the necklace comprising pierced feathered scrollwork sections finely enamelled with black...
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Antique Early 1900s British Victorian Drop Necklaces

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Diamond, Sapphire, 18k Gold, Yellow Gold, Enamel

Oscar Heyman Ruby and Sapphire American Flag Brooch
By Oscar Heyman
Located in New Orleans, LA
Depicting a waving American flag, this patriotic gemstone creation was crafted by the famed American jeweler Oscar Heyman. Using dozens of sparkling white diamonds, rubies and sapphi...
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21st Century and Contemporary American Modern Brooches

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Susan Sadler 1993 AGTA Spectrum Award Winning Sapphire Brooch or Pendant
By Susan Sadler
Located in Nashville, TN
This one of a kind, Susan Sader brooch/ Pendant features a 17.29 ct. fancy cut, Ceylon Blue Sapphire. With 32 square cut Vietnamese Pink Sapphire for 4.26 ct. tw. Dolor graduating ...
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Ryan Roberts, Chrysocolla Gem Silica Ring, 18 Karat Gold, Gem Silica, Tsavorite
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2010s Contemporary Solitaire Rings

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Aquamarine and Ruby, 14k Rose Gold & Platinum Solitaire Engagement Ring
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Located in Burlington, VT
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2010s Contemporary Engagement Rings

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Aquamarine and Ruby, 18k Rose Gold & Platinum Solitaire Pendant Necklace
By Raintree
Located in Burlington, VT
The Kaleidoscope Necklace. Our AGTA Spectrum award winning design in Pendant form with a
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Akoya Pearl, Morganite, Pink Sapphire and Diamond 18k Rose Gold Dangle Earrings
Located in Princeton, NJ
Award - 3rd Place in Classical category. The AGTA Spectrum Awards are The Oscars of gemstone jewelry
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2010s American Contemporary Dangle Earrings

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Akoya Pearl, Morganite, Pink Sapphire and Diamond 18k Rose Gold Dangle Earrings
Akoya Pearl, Morganite, Pink Sapphire and Diamond 18k Rose Gold Dangle Earrings
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Naomi Sarna Confetti Heart Earrings
By Naomi Sarna
Located in New York, NY
AGTA Spectrum Awards Gala. An exuberance of joy and color. These Confetti Heart Earrings leap into
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21st Century and Contemporary Lever-Back Earrings

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Naomi Sarna Confetti Heart Earrings
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2010s American Contemporary Dangle Earrings

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Naomi Sarna Confetti Heart Ring
By Naomi Sarna
Located in New York, NY
Naomi's award winning Confetti Heart Ring which was recently on display at the AGTA Spectrum Awards
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Naomi Sarna Sapphire Diamond Gold Maple Leaf Earrings
By Naomi Sarna
Located in New York, NY
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By Naomi Sarna
Located in New York, NY
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Diamond and Sapphire High Impact Ring
By Alexandra Hart
Located in Santa Fe, NM
World Gold Council’s 2009 campaign, and exhibiting at AGTA’s Spectrum of Design Pavilion in Tucson AZ
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2010s American Contemporary Engagement Rings

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AGTA Spectrum Award Entrant 18KYG Spessartine Garnet Tsavorite and Diamond Ring
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Located in Troy, MI
This Art Deco inspired, custom cast 18 karat yellow gold ring is set with one octagonal mixed cut Spessartine Garnet = 13.13 carats, being FANTA orange in color, VVS clarity and mea...
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Award Winning 29.30 Carat Mozambique Ruby and Diamond Necklace
By David Gross Group
Located in New York, NY
NECKLACE WON 1ST PLACE FOR "EVENING WEAR" IN THE AGTA SPECTRUM AWARDS JEWELRY DESIGN COMPETITION SUMMER
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2010s American Contemporary Choker Necklaces

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Award Winning 29.30 Carat Mozambique Ruby and Diamond Necklace
By David Gross Group
Located in New York, NY
NECKLACE WON 1ST PLACE FOR "EVENING WEAR" IN THE AGTA SPECTRUM AWARDS JEWELRY DESIGN COMPETITION SUMMER
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2010s American Contemporary Choker Necklaces

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2 Time Award Winning 18 Karat Yellow Gold Pearl Bangle by Sean Gilson for Assael
By Assael
Located in Troy, MI
2020 AGTA Spectrum Spotlight Award & Cultured Pearl Association of America’s 2018 Spotlight Award
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Wendy Brandes 7-Ring Diamond and Colored Gemstone Animal-Design Collection
By Wendy Brandes
Located in New York, NY
. Size 6. One-of-a-kind. AGTA Spectrum Award Honorary Mention. Made in New York City. The Dragon
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Wendy Brandes 2 TCW Pink Sapphire Elephant Ring in 18K Gold With Brown Diamonds
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2010s American Contemporary Cocktail Rings

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Christoph Krahenmann Carved Green Beryl Sapphire Diamond Gold Gecko Pin Pendant
Located in Santa Fe, NM
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1990s American Brooches

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Beryl, Blue Sapphire, Diamond, Green Sapphire, 18k Gold

Sterling Silver Mermaid Ring
By Alexandra Hart
Located in Santa Fe, NM
campaign, and exhibiting at AGTA’s Spectrum of Design Pavilion in Tucson AZ, and NICHE, The Show in Las
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