sea lily jewelry wholesale website What does it mean to engrav the AU750 D0.065ct?

spirit of nature jewelry wholesale AU750 refers to 18K gold, D0.065ct refers to 0.065 carats.
18k gold is a gold content of at least 75%of the gold content, that is, alloys with a gold content of 18/24, and the remaining 25%are other precious metals, including platinum, nickel, silver, and gold. 18K gold is a kind of gold jewelry with low cost and more comfortable wearing.
1 carats can be divided into 100 points to calculate a small gem. Because the density of diamonds is basically the same, the heavier the diamond is the larger. The bigger the diamond, the higher the value of each carat. The public carat unit, that is, one carat is equivalent to 200 mg and was adopted since 1907. Before that, one carat was equal to 205.3 mg, which is 0.2053 grams.
Pucting information:
The theoretically 100%gold can be called 24K gold, but in reality, it is impossible to have 100%gold, so my country stipulates that the content reaches 99.6%(including 99.6%) Gold can be called 24K gold.
This K gold content is the common specifications of jewelry. The state stipulates that gold jewelry below 9K cannot be called gold jewelry. Some gold jewelery has a text mark, which is: Foot gold-not less than 99%of the gold content, and the gold content of thousands of gold r
The company's code, material name, content marks, etc. are unqualified products. The same is true internationally. But for some particularly small products, they are also allowed not to mark. 18K gold marks are generally the words AU750, 18K or G750.
Reference materials Source: Baidu Baike-18K gold

Reference materials Source: Baidu Encyclopedia-Kla

wholesale acrylic jewelry tray AU750: Refers to the material of this ring. (18K gold)
d065ct: refers to the diamond size (6.5 points) inlaid in inlaid in the ring

wholesale chanel jewelry china It shows that your ring is 18K gold, and the size of the drill is 6.5 points.