Vintage Estate Retro Platinum Diamond and Green Sapphire Three Stone Ring

Beautiful Antique Art Deco Platinum Demantoid Garnet and Diamond Three Stone Ring. This incredible three stone ring is crafted in platinum. The ring...

Beautiful Antique Art Deco Platinum Old Euro Diamond and Emerald Engagement Ring - GIA. This gorgeous antique Art Deco old Euro diamond and emerald engagement ring is crafted in plat...

Beautiful Antique Art Deco Platinum Colombian Emerald and Diamond Engagement Ring - GIA. This gorgeous Art Deco Colombian emerald and diamond engagement ring is crafted in platinum. ...

Beautiful Antique Art Deco Platinum Old Euro Diamond and Emerald Engagement Ring - GIA. This incredible Art Deco diamond and emerald engagement ring is crafted in platinum. The ring ...

Ring in 18 karat white gold, eagle head hallmark. Original you and me ring, it is set on its top, with claws, of a round emerald and a round sapphire, shouldered on both sides of a f...

This antique stunner is made in platinum 950 and set with following stones: 1 emerald cut emerald of beautiful green colour approx. 1.40 ct, Colombian origin 2 old mine cut 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 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 unique halo cocktail ring features a oval cut green sapphire weighing 5.04carat. This green sapphire takes center stage in a 14k White Gold setting. Its gem source is Sri Lanka; its transparency and luster are excellent. A total of 92 mixed cut diamonds frame this center stone sapphire...

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 unique halo cocktail ring features a oval cut green sapphire weighing 6.01carat. This green sapphire takes center stage in a 14k White Gold setting. Its gem source is Sri Lanka; its transparency and luster are excellent. A total of 58 mixed cut diamonds frame this center stone sapphire...