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18.50 Carat Untreated Kashmir Sapphire Diamond Platinum Ring

$6,500,000List Price

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GIA Certified .50 Carat Sapphire Diamond Halo Midcentury Platinum Ring
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Circa 1950's sapphire and diamond ring. Vivid blue round GIA certified natural center Sapphire, no heat, of Madagascar origin. 16 round brilliant cut diamond halo with 6 baguette acc...
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GRS Certified 8 Ct. VIVID Blue Untreated Sapphire Diamond Platinum Ring
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Centering a cushion-shaped sapphire, flanked emerald, pear-shaped diamonds Size 6 Platinum Accompanied by Grs report
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GRS Certified Untreated Sapphire 5.20 Vivid Blue Sapphire Diamond Platinum Ring
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Centering a cushion shaped sapphire flanked by two half moon-shaped diamonds, decorated throughout with round diamonds. emerald weighing 5.20 carats Size 6 Platinum
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C. Dunaigre 6.57 Carat Untreated Ceylon Sapphire Diamond Ring
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Rare C. Dunaigre 6.57 Carat Untreated Ceylon Sapphire & Diamond Ring This exceptional ring features a C. Dunaigre-certified 6.57-carat Ceylon sapphire, a true rarity as it remains c...
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18KT Gold Kashmir Sapphire and Diamond Ring
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AN 18 KARAT GOLD KASHMIR SAPPHIRE AND DIAMOND RING Set with a 3.46-carat GIA-certified Kashmir sapphire Centered by a rare and exceptional cushion-cut Kashmir sapphire weighing 3.46...
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17.71 Carat Certified Untreated Ruby Diamond Platinum Ring
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Beautiful Estate Platinum Natural Ruby Cabochon and Diamond Art Deco Style Ring! Showcasing one oval shape red ruby cabochon gemstone weighing 17.61 carats 100% natural no heat - untreated Ruby...
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This exceptional Art Deco ring exemplifies the geometric elegance and refined craftsmanship of the era. At its center rests an untreated old mine cushion cut Burma sapphire totaling ...
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Untreated Ceylon Sapphire Ring by Oscar Heyman, 8.53 Carats
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