gem name : Chrome Diopside weight : 5.00 cts pieces : 5 pcs Size approx. : 7.2 x 5.1 x 3.0 mm shape /cut : Octagon color : Green treatment : No indication of treatments origin : Russia The Origin and Treatment declarations are the opinion of the seller. A. all picture take normal day light B Only we send register Singapore post (take time 30 to 60 working days C. For express shipping we charge additional D. Country of Origin is an opinion offered by the seller of this item F. if have any question about gemstones please send me message (avoid returns) Treatment declarations and the country of origin are the opinion of the seller.