61.41 Carat Tanzanite Diamond White Gold Pendant

Magnificent Victorian three-stone pendant created in Russia in the 1900's. Features two Old European cut diamonds set in platinum bridged with a pinkish-brown diamond and accented wi...

Delicate, feminine drop necklace created in the 1900s. Made of 14 karat (tested) yellow gold and silver and set with old rose cut and Old European cut diamonds. The pear-shape rose c...

Fabulous pendant created by Bailey Banks & Biddle in the 1910s. Delicate and feminine, the pendant is a great addition to your jewelry collection. The pendant features an oval caboc...

A pair of vintage French platinum diamond clips, featuring carved sapphire. The clips design is focused on symmetry and strong lines. At the center of each piece there is a carved bl...

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...

Vintage 14K White Gold Tanzanite & Diamond Pendant This beautiful 14K gold pendant features a stunning lab tested tanzanite stone paired with 3 round brilliant cut diamonds! Approx...

17 carats of fine quality of Tanzanite pendant surrounded by brilliant round cut Diamonds all mounted in 18 karat White gold. Weight of the necklace is 13 Grams . Tanzanite Wei...

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...