French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette RingBidhaus4.2(849)$1003 days Left
Brooch - 18 kt. Yellow gold, Exclusive 18K Yellow Gold Opal and 2.88ct Diamond Brooch - 2.88ct. tw.Eastern European Art Gallery Inc$9,000Apr 11, 2026
14 kt. Yellow gold, Antique 14K Yellow Gold Large Black Opal Brooch with Diamonds & Emeralds DiamondEastern European Art Gallery Inc$5,500Apr 11, 2026
Antique 10k Yellow Gold Floral Opal Ring Size 6.5 Victorian Era JewelryDiamond Depot4.3(11)$1,37516 hrs Left
14K Gold Black Boulder Opal and Diamond Ring 10.9gHill Auction Gallery 4.7(1k)$325(3 bids)Apr 15, 2026