Lady's Platinum 11.99cttw Diamond Tennis Bracelet. Bracelet Length: 7 Inches. Contains: 29 Round Brilliant Cut Natural Diamonds. Weight: 11.99cttw, Color: Near Colorless (H-I), Clarity: SI1/SI2. A spectacular platinum diamond tennis bracelet. It's seven inches in length and about twelve carats in weight!! This bracelet contains 29 magnificent diamonds placed in a handmade platinum mounting. The diamonds are perfectly matched and near colorless and clean to the naked eye!! This is as much an investment in the future as it is a gift of jewelry.