3.04ctw Ruby Oval Cut and 1.22ctw Diamond 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. Stylish and sophisticated, this timeless royal ruby...

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. A bright and brilliant vintage round brilliant cut diamond, weighing one-and-a-quarter-carats, fills a vibrant royal blue frame of calibre-cut sapphires and burgundy red rubies in this classic Art Deco style 'jigsaw' or 'halo' ring, hand-fabricated in white gold in faithful emulation of 1920s-30s Art Deco style. Strikingly sparkling and stunning. The diamond is original to the period. The crown measures just shy of 1/2 inch, the tapered ring shank...

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 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 ...

5.02 carat ruby ​​ring in 18k white gold and diamonds. Octagonal-shaped basket holding in its center a large ruby ​​of 5.02 carats surrounded by 18 diamonds for a total weight of 0.5...

Estate Bold Ring, 2 Oval Ruby 3.00 cttw, Round Diamond 2.26 cttw G-H VS2-SI2, 18K White Gold 6.44g Jewelry Type : Ring Jewelry Style : Bold Metal Type : 18K White Gold Metal Weight ...

A chic and classy gemstone diamond ring featuring a fine natural Burmese ruby. The ruby weighs 1.17 carats and has a bright and vibrant cherry-red color, a classic Burmese...

This beautiful white gold ring has a center oval faceted, pinkish red color ruby, approximately 1.83 CTS, prong set. The ruby is flanked by shoulders set with a fan of tapered baguet...