Marbella denim blue ring by Margot McKinney Jewelry. Polished 18-karat yellow gold band and settings. Prong-set and sugarloaf-cut denim blue topaz. Blue sapphire and white diamond pavé. 23. 50 total blue topaz carat weight. 10. 36 total sapphire carat weight. 0. 49 total diamond carat weight. Tapered, half-round shank. Made in Australia.