10k refers to 10 karats of gold, possibly the cheapest gold alloy used in jewellery. It involves the least quantity of gold, therefore appearing as pale yellow in coloration. M on a ring denotes Milor, who's an Italian silver jewellery maker. 925 signifies that the jewellery is crafted from sterling https://casper77bonusharian1023345.isblog.net/an-unbiased-view-of-jp88-53990062