10.90CT Tanzanite and 3.28CTW Diamond Pendant 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. Tanzanite is the birthstone for December, making this gorgeous, brightly polished 18k white gold drop pendant an unforgettable gift to give. A round cut 6.8X7.4MM tanzanite sits nestled in the center...

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...

"It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural Tanzanite = 9.10 Carats 23 Diamonds = 1.00 Carats Metal: 18K White Gold Pendant Dimensions: 32 x 18.3...

9.50Ct Natural Tanzanite & Diamond 14K Solid White Gold Pendant Total Natural Oval Tanzanite Weight is: Approx. 6.10 Carats Natural Tanzanite Measure: 14.00 x 10.00mm Total Natura...