Sterling Silver Multicolor Freshwater Cultured Pearl Tin Cup Necklace AAA Quality, 17" This stunning multicolor tin cup necklace is made of lustrous 5-5.5mm silver and 6.5-7mm cranberry freshwater cultured pearls. These cultured pearls are very fine AAA quality, nearly round, with high luster and very clean surface. These cultured pearls are hand selected from pearl farms to ensure its highest quality. The jewelry is beautifully made by our skilled jewelers in USA. The jewelry comes with a high quality jewelry box and a certificate of authenticity. 30 Day Money Back Guarantee.