Heart-cut Zirconia Tennis Necklace in Sterling SilverRhodium plated sterling silver necklace with 3 5 mm heart cut white cubic zirconia. Adjustable length from 40 to 42 cm. Sparkling gems that enchant with their beauty. Diamonds are the guardians of romantic stories and precious treasures. Our collection celebrates the shiniest and timeless of all stones, which for its high quality and creative shapes represents the best gift to give to our loved ones, or to wear on special occasions.