Ruby Zoisite Freeform Natural - Untreated India 500 grams 1 Piece - 78 x 68 x 47 mm about the ruby reacts to UV light (it is proof of the gem's authenticity), see photo with UV light the piece for sale is what you see in photos! please be careful with the description and measures COMBINED SHIPPING (if you buy more items in the same auction you only pay 1 shipment) Standard shipping ( 2-7 days for Italy ) ( 10-20 days for Europe ) ( 15-40 days for rest of the world )