5.14ctw Ruby and 2.10ctw 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. This original piece consists a ruby that weighs 3.04carats and small mixed cut 50 diamonds...

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 ...

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...

GIA Certified - Natural, Unheated Ruby and Diamond Ring in 18 Karat White Gold This ring has a gorgeous Pear Cut Ruby set in the center of the ring. The Ruby has origins from Southe...

Gorgeous GIA Certified Pear Cut Ruby from Mozambique weighs 1.10 carats and has NO HEAT. The GIA Certificate number is: 2193125529 and can be verified on the GIA website. The certifi...

Gorgeous GIA Certified Pear Cut Ruby from Mozambique weighs 1.10 carats and has NO HEAT. The GIA Certificate number is: 2193125529 and can be verified on the GIA website. The certifi...

Platinum diamond ring featuring a fine red ruby weighing 1.14 carats. It is pear shape and has a lab report stating deep red color. It is very clean and has few inclusions, a fine qu...