Jul 19, 2026Natural Multi-Color Flashing Play Of Colour Opal Gemstones 6.09 Ct. Oval Cabochon Shape 16.2 x 12.5Est. $685-$1,076$1Treasure of Gems & JewelryLake Charles, LA
3 days Left18k Gold 41.00ct Opal 2.55ct Diamond NecklaceEst. $16,513-$25,275$50Prestige Auction GalleriesWoodland Hills, CA
5 hrs Left18k Gold 41.00ct Opal 2.55ct Diamond NecklaceEst. $16,513-$25,275$50Prestige Auction GalleriesWoodland Hills, CA
6 days LeftVINTAGE 14K-22K YELLOW GOLD 4.25CT. NATURAL AFRICA OPAL ENGAGEMENT BEZEL RINGEst. $5,525-$6,175$4,550Modern JewelryValley Village, CA
Jul 19, 2026Natural Red Black Opal Gemstones 2.07 Ct. Oval Cabochon Shape 11.5 x 8.7 Mm.Est. $191-$301$1Treasure of Gems & JewelryLake Charles, LA
Jul 13, 2026Natural Multi-Color Opal Gemstones 4.04 Ct. Pear Cabochon Shape 13.3 x 10.6 Mm.Est. $227-$357$1Treasure of Gems & JewelryLake Charles, LA
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
6 days LeftNatural Multi Color Play Of Colour Opa lGemstones 0.97 Ct. Oval Cabochon 8 x 6.1 Mm.Est. $45-$72$1Treasure of Gems & JewelryLake Charles, LA
Jul 13, 2026Natural Fire Red Black Opal Gemstones 1.60 Ct. Oval Cabochon Shape 10.9 x 8.4 Mm.Est. $85-$133$1Treasure of Gems & JewelryLake Charles, LA
2 days Left14k Yellow Gold 7.50ct Opal 0.90ct Diamond RingEst. $6,713-$13,825$50Prestige Auction GalleriesWoodland Hills, CA
6 days LeftNatural Gem Multi-Color Play Of Colour Opal Gemstones 2.68 Ct. Pear Cabochon ShapeEst. $167-$263$1Treasure of Gems & JewelryLake Charles, LA
5 hrs Left14k Yellow Gold 4.00ct Opal 1.10ct Diamond RingEst. $4,165-$8,620$50Prestige Auction GalleriesWoodland Hills, CA
Jul 19, 2026Natural Multi-Color Opal Gemstones 1.41 Ct. Oval Cabochon Shape 10.1 x 7.2 Mm.Est. $81-$128$1Treasure of Gems & JewelryLake Charles, LA
Jul 13, 2026Natural Multi-Color Opal Gemstones 3.44 Ct. Oval Cabochon Shape 12 x 9.4 Mm.Est. $167-$263$1Treasure of Gems & JewelryLake Charles, LA
Jul 15, 202613.97ct Oval Cabochon Multicolor Black OpalEst. $860-$960$760Weatherham Estate TreasuresCobourg, ON
Jul 13, 2026Natural Multi Color Opal Gemstones 2.04 Ct. 5 Pcs. Oval Cabochon Shape 6.1 x 5.5 Mm.Est. $46-$72$8Treasure of Gems & JewelryLake Charles, LA
Jul 13, 2026Natural Multi Color Opal Gemstones 0.92 Ct. Oval Cabochon Shape 7.4 x 6.4 Mm.Est. $34-$54$4Treasure of Gems & JewelryLake Charles, LA
Jul 19, 2026Natural Multi-Color Opal Gemstones 1.99 Ct. Oval Cabochon Shape 11.8 x 9 Mm.Est. $87-$138$1Treasure of Gems & JewelryLake Charles, LA
6 days LeftNatural Multi Color Opal Gemstones 1.41 Ct. Oval Cabochon Shape 9.4 x 7 Mm.Est. $127-$200$1Treasure of Gems & JewelryLake Charles, LA
6 days LeftNatural Multi - Color Play Of Colour Opal Gemstones 1.81 Ct. Oval Cabochon Shape 9.9 x 7.9 Mm.Est. $67-$106$1Treasure of Gems & JewelryLake Charles, LA
Buy NowNatural Opal Multi-Color Gemstones 2.27 Ct. Oval Cabochon Shape 10.7 x 7.5 Mm.$72(4 bids)Treasure of Gems & JewelryLake Charles, LA
Buy NowNatural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.39 Ct. Oval Cabochon Shape 11.6 x 8.5$70(2 bids)Treasure of Gems & JewelryLake Charles, LA