Certified 8.90 Ct Violet Burmese Spinel and Diamond Ring in 18 Karat White Gold

This stunning cocktail ring, set in 18-karat white gold, features a mesmerizing 10.42-carat cushion-cut tanzanite, radiating a deep, rich blue that seems almost otherworldly. Surro...

Presenting a classic tourmaline and diamond ring set in 18 Karat white gold. The main character of this piece is a 6.10-carat raspberry-pink tourmaline, delicately framed by brillian...

Very fine oval tanzanite of 23.39 ct set in a Gubelin ring in 18 karat white gold. Double entourage set with 134 high quality diamonds (F/G-vs) totalling 1.94 ct. The Swiss, family-o...

This stunning ring by reknown Swiss jeweller Péclard features an oval-shaped, vibrantly coloured 2.36 carat Burma ruby. Flanked by two oval-shaped equally lively rubies of approximat...

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 is a cocktail ring that showcases a white gold, double prong set, 4.45 carat cushion cut purple spinel. The gem source is Sri Lanka; its transparency and luster are excellent. It has diamonds on the band and around the gemstone totaling 0.61 carats. Designed in brightly polished 14 K gold, this gorgeous ring...

5.75 carat oval-cut regal Purple Spinel and white Diamond (1.11 carat total weight; G-H, SI3-I1) halo 14k white gold cocktail ring. Ring is size 7. Tapered white gold band ranges fro...

This stunning cocktail ring showcases a beautiful GAL Certified Natural No Heat 4.59 Carat Cushion Purple Sapphire with a Diamond Halo. This stunning sapphire sits on a triple diamon...

Feast your eyes upon this beauty! A stately certified purple sapphire sits front and center in this incredible ring. The oval shape is flattering to every finger type and absolutely ...