18.55 ct Oval Cabochon Rainbow Bluish-White Opal GemstoneWeatherham Estate Treasures4(233)$9504 days Left
Cocktail Ring in 18k White Gold with Cabochon Opal and Diamond Leaf MotifDiamond Depot4.3(11)$8305 days Left
22.5ct Oval Cut Cabochon Bright Iridescence Multicolor Black Opal GemstoneWeatherham Estate Treasures4(233)$1,3004 days Left
6.27 ct Trillion Cabochon Midnight Starry Night Black Opal GemstoneWeatherham Estate Treasures4(233)$180Apr 15, 2026
C MEXICAN FIRE OPAL CABOCHON ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(505)$55 hrs Left
3.77 ct Fancy Cabochon Natural Multicolor Opal TripletWeatherham Estate Treasures4(233)$160Apr 15, 2026
