This is an authentic TIFFANY & CO Sterling Silver Diamond Paloma Picasso Crown Of Hearts Earrings. Modern Heart Earrings. These classic heart shaped earrings are crafted of sterling silver and feature a single round brilliant cut diamond., weighing approximately .03 carats. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.