Tiffany & Co. Diamond, 18k White Gold "Diamonds by the Yard" Necklace. Featuring eighteen round brilliant-cut diamonds weighing a total of approximately 1.95 cttw., bezel set and linked in an 18k white gold mounting, completed by a 14k white gold replacement spring ring clasp, forming an adjustable 19 1/2, 26 to 28 inch necklace. {Gross Weight: 5.3 dwts} Note: Original clasp with Tiffany signature has been replaced - not signed. Necklace has been adjusted, ring for different lengths added.