Margot McKinney Jewelry opal and multi-stone ring. 18-karat white gold band and settings with satin finish. Prong-set Australian boulder opal with multi-stone bezel. Diamonds, blue and pink sapphires, tsavorite garnets and amethyst. 10. 40 total boulder opal carat weight. 76 blue sapphires; 4. 09 total carat weight. 114 pink sapphires; 4. 07 total carat weight. 59 combined tsavorite garnet; 2. 53 total carat weight. 57 tsavorite garnet; 2. 21 total carat weight. 2 oval tsavorite garnet; 0. 32 total carat weight. 3 oval amethyst; 0. 55 total carat weight. 14 diamonds; 0. 36 total carat weight. Made in Australia.