3.80 Carat Natural Very Nice Looking Tanzanite and Diamond 14K Solid White Gold

2.90 Carats Natural Very Nice Looking Tanzanite and Diamond 14K Solid White Gold Ring Total Natural Cushion Tanzanite Weight is: Approx. 2.60 Carats Natural Round Diamonds Weight: ...

3.55 Carats Natural Very Nice Looking Tanzanite and Diamond 14K Solid White Gold Ring Total Natural Oval Cut Tanzanite Weight is: Approx. 2.30 Carats Tanzanite Measures: Approx. 9....

5.65 Carats Natural Very Nice Looking Tanzanite and Diamond 14K Solid White Gold Ring Total Natural Cushion Cut Tanzanite Weight is: Approx. 4.50 Carats Tanzanite Measures: Approx....

4.15 Carats Natural Very Nice Looking Tanzanite and Diamond 14K Solid White Gold Ring Total Natural Oval Cut Tanzanite Weight is: Approx. 3.80 Carats Tanzanite Measures: 11.00 x 9....

This is a cocktail ring that showcases a 6.09 carat cushion cut tanzanite. It has diamonds on the band and around the gemstone totaling 1.20 carats. Designed in brightly polished 18 K gold, this gorgeous ring...

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...

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...

Stylish estate tanzanite & diamond ring crafted in 14 karat white gold. Cushion cut tanzanite measures 8mm x 6mm (1.78 carats). Four estimated 0.10 carat tapered baguette cut diamo...