1920 Art Deco Diamond and Oval Rubellite Engagement Ring in 18K White Gold

Unique white oval step cut diamond and ruby diamond ring in platinum. The details are as follows : Oval diamond weight : 1.35 carat ( JK color and VS 1 ...

This exquisite Art Deco ring centers around a vivid Burma ruby of exceptional pedigree- untreated, unheated, and alive with a rich, velvety red hue ...

Pink Sapphire and diamond engagement ring beautifully handcrafted in 18k white and yellow gold. The details are as follows : Total diamond weight : 1.04 carat ( G color and VS cl...

Gorgeous Ruby and diamond engagement ring handcrafted in platinum. The details are as follows : Diamond weight : 1.40 carat ( GH color and SI clarity ) Ruby weight : 1.80 carat M...

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 incredible, vintage-inspired, brightly polished platinum tourmaline and diamond ring...

This is a Vintage Ruby and Diamond Ring. This ring showcases an unheated, 1.09 carat, oval cut prong set Ruby at the center. The Ruby is surrounded by 14 round cut diamonds, with ano...

This distinguished vintage ruby ring presents a 2.43-carat natural ruby of pinkish-red hue in an elegant oval cut, complemented by two baguette-cut diamonds totaling approximately 0....

Ring in platinum, dog head hallmark. Magnificent contemporary ring, its setting is adorned with an oval ruby set with 4 claws. On either side, a modern brilliant-cut diamond is set m...