Carat-A good understanding is the weight of a diamond, 65,438+0 carat = 65,438+000 points. Those with a score of 30 or above in international practice have a 4C grading certificate. Our country stipulates that those who score more than 20 points have 4C certificates to study abroad, and the youngest does not have to have a certificate.

Cut-in popular terms, a good cut diamond will be brighter and more shiny. The cutting of 3EX is really much brighter than that of 2EX, and 2EX 1V looks a little milky.

Color-The color of diamonds (white) is graded. The higher the grade, the yellower it is. If it is visible to the naked eye, the grade is at least above I-J, the whiter the more expensive!

The weight of one carat diamond ring has reached carat level, which has the function of maintaining and increasing value.

Rough diamonds are tetrahedral or octahedral. If it is used to make heart-shaped or water-drop shaped irregular diamonds, the yield can be as high as 50%, while if it is used to make round diamonds, the yield is only about 30%. The high yield of special-shaped drill shows that materials are saved.

Diamond ring can be said to be something that every woman likes. Having such a diamond ring will make you feel much happier.