10k refers to 10 karats of gold, almost certainly the cheapest gold alloy used in jewellery. It involves the least amount of gold, that's why appearing as pale yellow in coloration. There is absolutely no difference in between the markings S925 and 925; both equally designate the product of jewellery https://sergiobehln.blogars.com/35684362/the-best-side-of-jp88