QTY:2PCColor:as pictureSize:US Size (see title)Main Stone:allonRing SizesUSA Size 5 = about 16mm diameterUSA Size 6 = about 16.5mm diameterUSA Size 7 = about 17.5mm diameterUSA Size 8 = about 18mm diameterUSA Size 9 = about 19mm diameterUSA Size 10 = about 20mm diameterUSA Size 11 = about 20.5mm diameterUSA Size 12 = about 21.5mm diameterUSA size 13 = about 22.5mm diameter