Hello there. First of all, please understand the formation and characteristics of natural jade, natural jade raw stone is formed by nature after tens of thousands of years, forming the raw stone will have natural waterlines and lines, So every piece of merchandise is unique in the world and worth having. So the real natural jade is not exactly the same color. Our sculptors are the same piece of jade stone, carved and polished out of the same batch ofcommodity . But we will pick the color closest to the product image for you to send to you, please understand the personality characteristics of natural jade. Eachcommodity will have a Class A certificate relative to the National Jewelry Accreditation Body. The certificate number is also one-to-one and can be queried online. There will be an error of ± 0.5mm if the product size is measured manually, but it will not affect the effect of wearing bracelet pendant. Please understand!