Vintage Inspired Art Deco Style Alexandrite Diamond Platinum Ring

This dainty ring features an emerald cut amethyst set east-west accented by 0.04 carat total weight in round diamonds on the band set in 14 karat white gold. It is a size 6.5 but can...

Gorgeous 18k white gold ring spotlighting a GIA graded cushion cut green sapphire weighing 3.12 carats surrounded by 1.17 carats total fine ...

Simply Beautiful! Elegant and finely detailed Double Halo Platinum Ring. Centering a securely nestled Hand set, 1.54 Carat Cushion Alexandrite. Yellowish Green changing to Brownish Y...

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. Your Alexandrite search is over. The 4.04 carat Alexandrite is one of the most important gems in our collection. It's BGL certified and cushion. It exhibits a brilliant olive green body...