Rating: AB. Condition description: A few traces of usage some scratches. This beautiful Tiffany Co necklace features an open heart design set with sparkling diamonds Crafted from 18k white gold this necklace is perfect for adding a touch of elegance to any outfit. This is a Tiffany & Co. diamond heart pendant necklace. Crafted from 18k white gold. Features an open heart design. Set with pave diamonds. Perfect for adding a touch of elegance to any outfit.