4 Carat Blue Sapphire Oval and White Diamond Pendant in Platinum

Gorgeous 8.73 carat blue sapphire oval with 0.30 carats of white diamond rounds in 18k white gold. This 18" necklace has charm and character, perfect to wear for any occasion!

Beautiful 15.45 ct. tanzanite oval with 0.05 ct. white diamond rounds. Handmade in 14k yellow gold. Length is 18".

Beautiful 6.13 ct. tanzanite pear shape with 0.68 ct. good quality white diamond rounds. Handmade in 14k white and rose gold. Length is 18".

Beautiful 4.91 ct. tanzanite oval. Handmade in 18k yellow gold. Length is 18".

A beautiful pendant necklace, it features a 1.55 carat oval-cut vivid blue sapphire in the centre surrounded by a halo of white round-brilliant cut diamonds weighing 0.11 carat. Th...

This elegant pendant features an exquisite oval brilliant Blue Sapphire weighing approximately 1.16 Carats at its centre. The royal blue hues of this luscious sapphire are surrounded...

A beautiful pendant necklace, it features a 2.29 carat oval-cut vivid blue sapphire in the centre surrounded by a halo of white round-brilliant cut diamonds weighing 0.15 carat. Th...

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...