Tiffany & Co. Enamel, Diamond, 18k Yellow Gold, Platinum Seahorse Brooch. Designed as a seahorse, the top of the body featuring green enamel, the bottom of the belly accented by thirty-four full-cut diamonds weighing a total of approximately 1.00 cttw., further enhanced by one fancy round-cut pink sapphire for the eye, set in a platinum and 18k yellow gold textured brooch mounting measuring approximately 65 x 25 mm. Accompanied by Tiffany & Co. blue pouch and box. {Gross Weight: 11.1 dwts} Note: Underside of fin contains two plaques; "Tiffany & Co." and "10% Irid. Plat.", underside of nose has one plaque; "18k"