15.43 Carat Tanzanite and Diamond Pendant Necklace in 18 Karat 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 lavish brightly polished 18 karat yellow gold smooth Pear shaped cocktail...

A very fine pear shape Tanzanite weighing 12.90 ct, surrounded by 11 oval Diamonds weighing 1.49 ct, 9 Baguette Diamonds weighing 0.71 ct and 39 brillinat cut Diamonds weighing 1.50 ct. All Diamonds H, I color and si clarity. Mounted in 18 K white Gold. The pendant comes with a 18 K white Gold chain...

It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural Tanzanite = 3.52 Carats 87 Diamonds = 0.40 Carats Metal: 14K White Gold Dimensions: 24 x 17 x 7 mm Cha...