5.87CT Yellow Sapphire and .61CTW 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 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 ...

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 ...

Yellow Sapphire 9.48 carats with Diamond 1.77 carats Ring set in 18K White Gold Settings Width: 1.9 cm Length: 2.2 cm Ring Size: 54 Total Weight: 8.24 grams "We first opened door...

A single glance at this ring is all that is required to notice how uniquely stunning it is. Made of an Oval Brilliant Yellow Sapphire weighi...

This beautiful ring has a Oval Cut Yellow Sapphire that weighs 1.23 Carats. It is surrounded by 44 Round Cut Diamonds that weigh 0.48 Carats. (Clarity: VS, Color: H) The ring is be...

Yellow Sapphire 4.42 carats with Diamond 0.74 carat Ring set in 18K White Gold Settings Width: 1.4 cm Length: 1.4 cm Ring Size: 53 Total Weight: 5.63 grams "We first opened doors...