Sterling silver rough gem ring II Apatite

Material: sterling silver, apatite (untreated) Size: gemstone sizes from 4-6mm Notice Please inform me your ring size when placing your order. If you don't know your ring size, here are few tips: 1) Measure the inside diameter of a ring you already have. 2) Measure it with a string or rope for three times to make sure, and inform me the circumference of your finger. 3) Measure it in a jewelry shop near your neighbor to know the number of your size, and inform me both the size and the standard based. If you have any further questions, please let me know.