Starts in 6 daysNatural Play Of Color Rainbow Fire Red Black Opal 1.52 Ct Oval Cabochon 10.3x7.4 mm Treated EthiopiaEst. $145-$228Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Nov 17, 20262.93 Ct Natural Blue Fire Opal Oval cutEst. $100-$200Starting Bid$1Bangkok, THGems Auction4.7(500)
Nov 13, 2026Natural Rainbow Fire Red Black Opal 1.89 Ct Oval Cabochon 11.6x9.2 mm Treated Ethiopia GiftEst. $106-$166Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Starts in 6 daysNatural Fire Red Black Opal 1.39 Ct Oval Cabochon 9.8x8 mm Treated Ethiopia Loose Gemstone GiftEst. $80-$127Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Nov 17, 20262.22 Ct Natural Black Flashing Fire Opal Oval CutEst. $100-$200Starting Bid$1Bangkok, THGems Auction4.7(500)
Nov 13, 2026Natural Fire Opal 0.74 Ct Oval 7.5x6.2 mm Unheated Mexico Loose Gemstone October Birthstone GiftEst. $27-$43Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Starts in 6 daysNatural Fire Red Black Opal 1.66 Ct Pear Cabochon 11x8.3 mm Treated Ethiopia Loose Gemstone GiftEst. $94-$148Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Buy NowNatural Play Of Color Rainbow Fire Red Black Opal 1.14 Ct Trilliant Cabochon Treated Ethiopia Gift$23Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Nov 13, 2026Natural Play Of Color Rainbow Fire Red Black Opal 2.28 Ct Oval Cabochon 14.3x9.8 mm Treated EthiopiaEst. $125-$197Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Nov 13, 2026Natural Play Of Color Rainbow Fire Red Black Opal 1.96 Ct Oval Cabochon 10.7x7.7 mm Treated EthiopiaEst. $109-$172Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)
Nov 19, 2026Natural Play Of Color Rainbow Fire Red Black Opal 1.30 Ct Oval Cabochon 12.8x8.7 mm Treated EthiopiaEst. $76-$119Starting Bid$1Lake Charles, LATreasure of Gems & Jewelry4.5(274)