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Roberto Coin Smoky Quartz Cabochon 1.45 Carat Diamond Halo Gemstone Ring

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    Centering an oval shaped turquoise cabochon measuring 8.75 x 13.25 mm, Opaque robin's egg blue - prong set with diamond halo surround. Old European cut and weighing approximately 1.2...
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  • Roberto Coin Contemporary Diamond Enamel 18 Karat Two-Tone Gold Horse Ring
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    Designed as a segmented yellow gold bypass terminating with a stylized horse head and tail. Decorated with white gold bit harness and reigns with round brilliant cut diamonds through...
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  • 1950's Mid-Century 2.00 Carats Aquamarine Diamond Platinum Vintage Gemstone Ring
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  • Art Deco 1.12 Carats Turquoise Cabochon Transitional Cut Diamond Platinum Ring
    Located in Philadelphia, PA
    Centering an oval shaped turquoise cabochon measuring 7.0 x 12.0 mm. Opaque robin's egg blue - prong set with diamond halo surround. Transitional cut and weighing approximately 1.12 ...
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  • Vintage 2.83 Carats No Heat Pink Sapphire Diamond Platinum Gemstone Ring GIA
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    Featuring a mixed oval cut pink sapphire weighing 2.53 carats. Transparent purple pink with no indications of heat. Half bezel set in a stylized basket and flanked by bar set tapered...
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  • Roberto Coin 18 Karat Yellow Gold Diamond and Smoky Quartz Ring
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    This Roberto Coin ring is crafted from 18K yellow gold and set with a smoky quartz and a total of 1.25 carats of diamonds. The ring weighs 35 grams, boasting band thickness of 4 mm a...
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  • Roberto Coin Rutilated Black Quartz and Yellow Sapphire Ring
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    Italian Style! This Roberto Coin ring is unique and makes a fashion statement. A large cabochon black rutilated quartz, approximately 2.70 ct is accentuated by 1.65 ctw in vibrant y...
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