TIFFANY u0026 CO JEWELLERY COLLECTIONExcellent Used item, may have insignificant scratches and signs of usage. Material 18K Pink Gold 750 Diamond. Tiffany&co. 18k pink gold 750 diamond solitaire earring from japan the seller is kingram-japan and is located in osaka. 18K Pink Gold 750 Diamond Solitaire earring from Japan.