This Is A Gorgeous .87ct Natural Canadian Ammolite And Black Diamond Ring. Ammolite Is Arguably The Rarest Gemstone, Next To Alexandrite. The Ammolite Is. 1-7x5mm .85ct Oval. The Black Diamonds Are. 2-1.1mm .01ct Round. For the .87ct Total. All In 925 Sterling Silver With Free Domestic Shipping. Thank You For Looking Spotted Horse Trading Company