Spring Blush pearl ring by Margot McKinney Jewelry. Polished 18-karat rose gold hardware and settings. 17. 3mm naturally hued Tahitian cultured pearl center. Prong-set multicolor stones in double halo with mixed cuts. Diamonds, amethyst, pink tourmaline, pink and blue sapphires. 0. 48 total diamond carat weight. 2. 36 total tourmaline carat weight. 2. 58 total amethyst carat weight. 2. 86 total blue sapphire carat weight. 3. 79 total pink sapphire carat weight. Half-round shank.