Ever since Chris Evert's diamond bracelet flew off her wrist at the 1978 US Open, this style has been known as a "tennis bracelet"—a continuous line of bezel or prong-set diamonds. Now expanded to include necklaces, our elegant new additions come in both 18K yellow and white gold with hand-set stones.18-karat white goldProng-set blue sapphires, total carat weight ranges from 15.47 to 19.63 (dependent on size)Necklace, 3mmPush clasp