Sapphires Faceters Facet Rough Gems 10ctw blue green Sapphire corundum facet rough lot Carat Weight : 20 carats ctw cts 1.10 average ct or around 4 grams gr Size length width height dome : average around 5.50 x 5 x 4mm Color hue : possible colors mixed in each - Blue Green , Blue , Purple Clarity Quality : Eye Clean to some inclusions alluvial blocky shaped Country of Origin : Tanzania Africa Enhancement treatment : None raw uncut untreated - African Natural gem stone Tanzanian Songea Sapphire facet rough parcel which would be around 10 - 11 stones - The picture is representative of the stones you will receive from the entire lot and are hand selected to ensure good quality but each lot can vary somewhat with colors , did try to get an fairly close amount of similar colored ones in each - picture taken with good backlighting Product type : Jewels Use : Jewelry - grade for faceters lapidary cutters for melee accent faceted cut gems to use in rings , pendants , earrings , necklaces , bracelets etc. - not drilled