All rings are U.S.A size rings. Please look at photo of chart for the equivalent international sizes. IF YOU ARE NOT SURE OF YOUR SIZE. YOU CAN MEASURE YOUR RING SIZE AT WWW.FINDMYRINGSIZE.COM Ring Sizes USA Size 5 = about 16mm diameter USA Size 6 = about 16.5mm diameter USA Size 7 = about 17.5mm diameter USA Size 8 = about 18mm diameter USA Size 9 = about 19mm diameter USA Size 10 = about 20mm diameter USA Size 11 = about 20.5mm diameter USA Size 12 = about 21.5mm diameter USA size 13 = about 22.5mm diameter USA Size 14 = about 23.5mm diameter AAA Grade Simulated Diamond Ring. Features a 2.04 Ct (8mm) clear round brilliant cut center stone in a prong setting, accented by 30 (2mm) clear round brilliant cut stones in a channel setting. Total carat weight is 2.94 diamond equivalent. Top quality stones display enriched clarity just like real diamonds! Surgical Stainless Steel Tusk 316 is durable, hypo-allergenic and will not oxidize or tarnish over time. Made of solid stainless steel 316 and a high polish finish (no plating) for maximum shine and protection.