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22.10 Carat Sugarloaf Tanzanite Diamond Platinum Ring

$49,500List Price

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10.08 carat Tanzanite Ring in Platinum
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Diana Ring Elegant. Regal. Distinctive. This ring commands attention with a 10.08 ct untreated tanzanite—loop clean and richly saturated in violet-blue, radiating depth and sophistication. Its silhouette is balanced by two GIA-certified trapeze-cut diamonds (0.31 ct F VS1 and 0.30 ct D VVS1), highlighting the vivid color without distraction. The Diana Ring embodies SONYA K.’s signature blend of bold structure and refined elegance.
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2010s American Contemporary Engagement Rings

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1.38 Carat Cushion Cut Tanzanite and Diamond Ring in Platinum
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This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This is a cocktail ring that showcases a 1.38 carat cushion cut tanzanite. It has diamonds around the gemstone totaling .57 carats. Designed in brightly polished platinum, this gorgeous ring...
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4.29 Carat Natural Round Tanzanite and Diamond Ring Set in Platinum
Located in Tokyo, JP
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1970's Tanzanite and diamond ring. 4.08ct cushion cut bezel set Tanzanite center stone placed in an 18k yellow gold and platinum ring. Accented wit...
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1990's Tanzanite and diamond cocktail band ring. 10 round cut purple tanzanite gemstones totaling 1.20cts, mounted in two rows and accented with 44 round pave set diamonds. At its wi...
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Located in Brooklyn, NY
Architectural, refined, and timelessly elegant. This handcrafted ring centers on a 5.62 carat GIA-certified tanzanite sugarloaf—its violet-blue depth evoking a sense of royalty. It’...
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A striking platinum ring with a vivid 1.10 carat round tanzanite, framed by rich calibre sapphires and 64 sparkling E-F color VS clarity diamonds in Art Deco style.
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Introducing the stunning Estate Platinum Tanzanite and Diamond Ring, featuring a mesmerizing 3.51 carat round brilliant cut Tanzanite. This exq...
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