Chameleon Diamond Necklace, 4.41 Carats

This sensational necklace showcases a design illuminated by a marvelous array of rose-cut diamonds weighing a total of 14.73 carats. Six pear-shaped white diamonds dangle from a slee...

This Edwardian-era necklace showcases an exquisite briolette cut peridot weighing 30.00 carats, distinguished by its exceptional clarity and brilliance. The vibrant green gemstone is...

Pendant Necklace Green Saphir 2,27 Carats Diamonds Rose Gold 18 Carats An exquisite jewel that combines timeless elegance with exceptional gemstones. This 18-carat gold necklace hig...

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 necklace features one GIA certified pear shaped natural fancy dark brown-greenish-yellow diamond with a weight of 2.44 carats and SI2 clarity. The intense color of this diamond is complemented by a GIA certified marquise shaped natural light pink diamond...