Diamond ring of 2.8 Carates with a spiral shaped diamond in the middle for sale. please take some price reference before you want to consult about it clarity is VS； total weight is 2.462g； Precious metal: Golden 750. etc I have the original receipt for purchasing this ring. you can go to ngdtc.cn website and click on the third button on menu bar"证书查询“， then put in "CK 10107218" behind" 检验号". and 5755 behind the "验证码". then click" 查询” underneath. you will find info about my ring.