11.24ct Blue Sapphire and 1.04ctw Diamond Ring in Platinum

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 is a 2.07 carats royal blue sapphire that is surrounded by a stunning halo of round brilliant diamonds. The sapphire is from Sri Lanka. The color is royal blue; its luster, clar...

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 ...

Gorgeous 3.24ct Sapphire & .87ctw Diamond Ring This Beautiful Ring is crafted in 14k White Gold and features .87ctw of Round Diamonds. The Sparkly Diamonds are SI1-SI2 clarity and ...

Platinum custom sapphire and diamond ring featuring a GRS certified 24.38 ct natural cushion cut blue sapphire and oval shaped diamonds 5.70 cts. Round diamonds are on the shank. Col...

Beautiful 3.21 ct. blue sapphire oval with 0.80 ct. good quality white diamond rounds and baguettes. Handmade in platinum. Ring size 7.

1.20ct Blue Sapphire & 1ctw Diamond Ring In White Gold Introducing a stunning ring crafted in 14kt white gold, featuring a 1.20ct Sapphire centerpiece alongside 1.00ctw of round dia...