53 Carat Total Briolette Black Diamond Necklace in 14 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. This luxurious 18 inch tennis necklace...

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 ...

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. Inspired by vintage styles, this gorgeous brightly polished 18 karat white gold teardrop pendant features one pear cabochon smooth finish sugar loaf tanzanite prong set it the center displaying...

Alex Jona design collection, hand crafted in Italy, 18 karat white gold necklace with 10.44 carats of briolette black diamonds. Alex Jon...

Natural Earth mined untreated blue topaz bow tie style 18 Inch bead necklace with 14k white gold catch. 78 briolette shape light blue topaz beads...

This is a one of a kind necklace is set in 18k white gold and features a total weight of 50.40 carats of natural Burmese pear shaped rubies with 4.20 car...

100% Natural Diamonds, Not Enhanced in any way Round Cut Diamond Necklace 2.53CT G-H SI 14K White Gold Prong style 21 gram 16 inches in length--2 1/4 inch in length 270 Diamond...