0.29 Carat Cushion cut Alexandrite and Diamond Ring in 18 Karat White Gold

This Elegant Ring consists of a Cushion Cut Alexandrite, a fascinating stone which in daylight glows deep Green with a Brown hue that can turn red in incandescent light, showcasing t...

4.10 Carat Emerald-Cut Teal Sapphire and 0.59 Carats Trapezium-cut Diamond Three Stone Ring set in Platinum Bold elegance meets timeless design in this captivating three-stone ring,...

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...

Set in 14k solid white gold, this captivating ring features an oval alexandrite that shifts from green to red under different light, accented by natural diamonds for added brilliance...