Twinkling toes. B. Brilliant's sparkling toe ring is set in sterling silver and features an infinity design decorated by round-cut cubic zirconias (3/8 ct. t.w.). Approximate design size: 5/8 inch x 1/8 inch. Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care. All gemstone carat weights (ct. t.w.), if mentioned, are approximate; variance may be .05 carat.