4 Carat Blue Sapphire Oval and White Diamond Pendant in Platinum

Beautiful 1.03 ct. white diamond trillion with a 3.00 ct, blue sapphire emerald cut. Handmade in 18k white gold. Length of chain is 18".

Beautiful bright blue 4.12 ct. sapphire oval cabochon with 0.15 ct. good quality white diamond baguettes. Handmade in platinum. Ring size 5.

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. This incredible gemstone is a 12.90 carat Oval unheated blue sapphire found in Sri Lanka. Its unheated and extremely scarce. The color it has is the color it had when it was found in the ground. The clarity and transparency are superb. Surrounded with 17 Oval diamonds...