Note that this is a size 8.25 ring (US/Canadian size) and the actual ring to be shipped.

Unique raw, rough rainbow moonstone ring set in sterling silver

Dimensions of stone about 13 mm X 14 mm

Code 7

Note that we can only resize up to 5 sizes from the actual size of the ring. Downsizing a ring should not be a problem but there may be some exceptions for certain rings. I will contact you if it is not possible to resize a ring.
Sizing details
RING SIZE CONVERSION CHART LINK:
http://findmyringsize.com/en/conversiontable.aspx

Note that you can find other charts on google