This is an absolutely brilliant, glistening necklace. The Italian chain is stamped s925. It is brand new, and the large natural Topaz looks amazing in light. The pictures don't do this pendant justice. Gem: 3.17ct Blue Topaz Size of stone: about 9 mm by 9 mm Clarity: VVS Cut grade: Triangle Gem stone origin: Brazil Metal: Sterling Silver, stamped s925 Comes in a beautiful box, perfect for a gift. Please message me if you have any questions. Thank you for looking at my closet. :)