ltem description from the seller
Material: Primary - Purity:925 Stone Color_1:White Stone Weight_1:0.77 ctw (total weight) Material: Primary:Sterling Silver Item Weight U/M:gm Width of Item:3.38 mm Product Type:Jewelry Jewelry Type:Rings Material: Primary - Color:White Ring Type:Stackable Stone Type (Other)_1:Sapphire (Colors), Lab Created