Platinum, diamond and pearl necklace, Tiffany & Co. A 3.5 mm cultured pearl is suspended from an open work heart pave-set with brilliant-cut diamonds further suspended from a fancy link twist chain joined by a single collet-set brilliant-cut diamond, the diamonds together weighing approximately 1.00 carat, pendant length approximately 35 mm, chain circumference approximately 400 mm, signed Tiffany & Co. Accompanied by a Tiffany & Co. pouch and outer box.