—Cosma Collection Celebrating love. A collection to remember the unforgettable moments, special occasions, and the beauty of what life brings. An iconic symbol of continual happiness and love. Crafted of polished 18K gold, our Cosma Ring is designed to emulate the diamond silhouette in an octagon bezel setting. Model is wearing a 1.8ct emerald cut diamond/ 5.09 grams and a size 4. Custom variations can be made with alternative stone sizes and grades. For purchasing options contact: bespoke@katki