Main Gem Type:AAA Blue Sapphire Cubic Zirconia <br />Metal Type: 18K Yellow Gold Filled<br />Ring Weight : 7.0g<br />Ring Length*Width*Height :24 mm *20mm *7mm <br />Main Gem Size:10 mm*8 mm<br />Main Gem Weight: 6.0CT<br />Ring Size:6?7?8?9?10<br />Around Stone: White Cubic Zirconia <br />Around Stone Size:2mm*2mm<br />Free Ring Box: Yes  For Women''s Wedding Ring <br />What''s The Gold Filled ?<br />Gold Filled Jewellery is a solid layer of quality gold heat bonded to an internal jewellers metal.. It has all the great characteristics of solid gold jewellery. It is extermely long lasting and if taken care of will last you a lifetime. Please research Gold Filled Jewellery on the internet to find out more information about this great new product. Do not compare gold filled jewellery to plated jewellery as there is no comparison. <br />Ring Size   mm <br />USA       UK        Janpan     German   France    Switzerland   Chian   Perimeter    Diameter<br /> <br /> 5           j1/2           9               15.75         49            9                      9            49.3         15.7<br /> <br /> 6           l1/2          12               16.5          51.5        11.5                  12           51.8         16.5<br /> 7             O           14                17.25       54           14                      14            54.4         17.3<br /> 8             Q           16                18            56.5         16.5                  16            56.5         18.1      <br /> 9              S           18                19           59            19                      18            59.5         18.9<br />10         T1/2          20                 20           61.5         21.5                   20            62.1        19.8<br />11        V1/2          23                  20.75      64            24                      23            64.6        20.<br /> <br /> 12         Y            25                  21.25       66.5         27. 5                  25            67.2         21.4<br />If you have any questions?please feel free to contact me via my email 837189132@qq.com?thank you.