Item #: 155778 This is an authentic TIFFANY & CO 18K Yellow Gold 6.5mm Akoya Cultured Pearl Signature Necklace. This stunning necklace features 6-6.5mm pearls and features a 18K yellow gold clasp. 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.