All rings are U.S.A size rings. Please look at photo of chart for the equivalent international sizes.<br />IF YOU ARE NOT SURE OF YOUR SIZE. YOU CAN MEASURE YOUR RING SIZE AT WWW.FINDMYRINGSIZE.COM<br /><br />Ring Sizes<br />USA Size 5 = about 16mm diameter<br />USA Size 6 = about 16.5mm diameter<br />USA Size 7 = about 17.5mm diameter<br />USA Size 8 = about 18mm diameter<br />USA Size 9 = about 19mm diameter<br />USA Size 10 = about 20mm diameter<br /><br /> This women's vintage style 2 piece AAA grade cubic zirconia wedding set， features a 2.04ct (8mm) round cut center stone engagement ring with 18 paved round side stones alongside it. Total carat weight is appox 3.25 diamond equivalent.