All rings are U.S.A size rings. Please look at photo of chart for the equivalent international sizes.<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 />USA Size 11 = about 20.5mm diameter<br />USA Size 12 = about 21.5mm diameter<br />USA size 13 = about 22.5mm diameter<br />USA Size 14 = about 23.5mm diameter<br />Species:Ring Set<br />Material: White Gold Filled( female)， Stainless Steel (male)<br />Style: Wedding Ring/Couple rings/Anniversary rings/Lover rings/promise rings/ring set/Engagement ring set/Bridal ring set   <br />Sex:Women/men<br />Color: White+Amethyst<br />Mainstone: cz <br />US Size: 6-10 for female， 7-12 for male or openning adjustable ring<br />Quantity:Two Rings (Ring Sets+Band)<br />High quality in EU and US quality standard.<br /><br />We provide fast delivery with tracking number for your check.