Directly from the mines of Sri Lanka, a lot of 100% natural, untreated blue sapphire. See the backlit photos to see the explosion of blue color. The lot includes some rare two-tone sapphires (see photo) Natural Rough Blue Sapphire Rough Untreated Sri Lanka 20 grams - 100 cts 37 Pieces from 5 to 10 mm about 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 ) if you want fast shipping, please contact me immediately after the auction win