I bought a 16ct diamond ring on the first floor of Beijing Xinhua Department Store on New Year's Day last year. What is Timmy's? Now, the Cobana tile circle above is actually separate. Has anyone bought it? What is the material of the ring holder of the diamond ring? It is recommended to use 18K gold to set diamonds, because the hardness is harder than gold and platinum, so diamonds are not easy to fall off. . Do you have a GIA certificate to buy a diamond ring? Use the certificate number to check whether it matches the diamond ring you bought. . Including weight, clarity and color cutting. . It can also be tested. . . /kloc-a diamond ring of 0/6 carat is so big that it is still 40% off. General jewelry and the like depends on their own value and cannot be discounted casually. .