Lady's 18K White Gold Sapphire & Diamond Fashion Necklace. Necklace: Double-Row 18K White Gold 16" Chain Festooned with Eight Bezel-Set Diamonds. Contains: Seven Natural Pear Shape Sapphires. Weight Approx: 4.50cttw, Color: Blue, Origin: Thailand. 170 Natural Round Brilliant Cut Diamonds. Weight Approx: 1.70cttw, Color: G-H, Clarity: VS / SI. This is another red carpet piece of jewelry. It is an 18k white gold sapphire & diamond necklace. It contains 7 pear-shape sapphires and 174 round brilliant cut diamonds. The diamond weight is 1.70 carats and the sapphires are 4.50 carats. The 18k white gold Italian chain, for security, is a double strand, and it is festooned with bezel set diamond. All-in-all, this is a glamorous piece of jewelry that is suitable for both the boardroom and the ballroom. It has the casual- elegant look. To make this piece suitable for different sized necks, there is a 2 inch piece connected to the clasp that allows the necklace to be worn at different lengths, pictured below.