5 days Left2.52 Ct Natural Multicolor Welo Opal Flash Fire Oval CabEst. $100-$200$1Gems AuctionBangkok, TH
5 days Left3.92 Ct Natural Multicolor Welo Opal Flash Fire Pear CutEst. $100-$200$1Gems AuctionBangkok, TH
5 days Left34.60 Ct Natural Multicolor Welo Opal Flash Fire Round Ball BeadsEst. $300-$600$1Gems AuctionBangkok, TH
5 days Left0.61 Ct Natural Multicolor Welo Opal Flash Fire Round CabEst. $100-$200$1Gems AuctionBangkok, TH
2 days Left14k Yellow Gold Fire Opal Diamond Cocktail Ring Size 6.25Est. $5,265-$6,844$100Mynt AuctionsNew York, NY
Jul 10, 20263.81 Ct Natural Multicolor Welo Opal Flash Fire Oval CutEst. $150-$300$1Gems AuctionBangkok, TH
5 days Left4.56 Ct Natural Multicolor Welo Opal Flash Fire Round BeadsEst. $100-$200$1Gems AuctionBangkok, TH
3 days Left4.31 Ct Natural Orange & Green Fire Opal Round BeadsEst. $75-$150$1Gems AuctionBangkok, TH
2 days LeftVintage 14k White Gold Fire Opal Diamond Ring Size 6.5Est. $3,744-$4,867$100BidhausNew York, NY
5 days Left3.92 Ct Natural Multicolor Welo Opal Flash Fire Round Cab SetEst. $100-$200$1Gems AuctionBangkok, TH
Jul 10, 20263.04 Ct Natural Multicolor Welo Opal Top Fire Pear CutEst. $125-$250$1Gems AuctionBangkok, TH
5 days Left3.72 Ct Natural Multicolor Welo Opal Flash Fire Round BeadsEst. $100-$200$1Gems AuctionBangkok, TH
Jul 13, 2026Natural Fire Red Black Opal Gemstones 1.66 Ct. Pear Cabochon Shape 11 x 8.3 Mm.Est. $94-$148$1Treasure of Gems & JewelryLake Charles, LA
5 days Left6.18 Ct Natural Multicolor Welo Opal Flash Fire Round BeadsEst. $100-$200$1Gems AuctionBangkok, TH
5 days Left3.17 Ct Natural Multicolor Welo Opal Flash Fire Round BeadsEst. $100-$200$1Gems AuctionBangkok, TH
5 days Left0.81 Ct Natural Multicolor Welo Opal Flash Fire Pear CabEst. $100-$200$1Gems AuctionBangkok, TH
5 days Left4.33 Ct Natural Multicolor Welo Opal Flash Fire Round BeadsEst. $100-$200$1Gems AuctionBangkok, TH