Gem Bleu Cushion Cut 5.26 Carat Tanzanite Ring with 0.87 Carat Diamond Halo Ring

Upgrading your vogue for any occasion just got a whole lot easier with this spectacular ring. Created with a striking Tanzanite that spreads a marvelous hue, this captivating ring is...

This striking ring is shaped to resemble the sun, with each and every facet of the ring branching outwards from the point of the stone outwards, like the rays of the sun. Set with a ...

A ring that exhibits a breath-taking trillion cut, the deep color of its Tanzanite is truly magnificent. Surrounded by sparkling diamonds that are sure to catch the eye, this smashin...

Don't Miss Out On This Artful Ring That'll Look Good With Every Style Outfit And Suit Every Occasion. The Top-notch Work With 18kt White Gold Offers A Trendy Look. Set With Tanzanite...

Bold and classic, this ring is a strong burst of color. Easily wearable and definitely impressive. 1 cushion cut tanzanite 22.56cts 12 round di...

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 Tanzanite has an incredibly deep, rich purple blue color reminiscent of sapphires. Most tanzanites have a much more pale hue, which is much less desirable. The value of this Tan...

2.98 Carat Cushion Shape vibrant Tanzanite and Diamond Cocktail Ring in 18K White Gold. The Center stone is surrounded by 2 rows of 154 Brilliant cut Round Diamonds with a Total weig...