Item #: 102270 This is an authentic TIFFANY & CO 18K Yellow Gold 3 Station Diamonds by the Yard Necklace. This delightful necklace has 3 diamonds on an 18 karat yellow gold collar length chain, total carat weight .90. This is a marvelous necklace, for a one of a kind look, from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.