10k refers to 10 karats of gold, probably The most affordable gold alloy used in jewelry. It incorporates the least amount of gold, hence showing as pale yellow in color. M on a hoop denotes Milor, that is an Italian silver jewellery producer. 925 implies that the jewelry is made https://archertbjsz.tinyblogging.com/the-best-side-of-jp88-80695306