3.73 Carat Tanzanite Cushion Cut Diamond Fashion Ring in 18k White Gold

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...

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 ...

This lovely ring features a vivid blue cushion shaped tanzanite weighing 4.20ct in a four claw, open back setting. The beautiful stone is surrounded by 20 round brilliant cut diamond...

3.80 Carats Natural Very Nice Looking Tanzanite and Diamond 14K Solid White Gold Ring Total Natural Cushion Tanzanite Weight is: Approx. 3.50 Carats Natural Round Diamonds Weight: ...