At present, the certificate of carat diamond mainly refers to GIA. If you want to buy carat diamonds, it should be based on the perspective of value preservation. Actually, why not consider colored diamond? It is rarer and more precious than the white diamond. It takes 65438+ million white diamonds to produce a colored diamond. Moreover, white diamonds and yellow diamonds of the same grade, clarity and weight are available in Leipzig, and the price difference is not big. Because Rebish has a family history of more than 30 years in colored diamond, it has a primary source of goods and is more cost-effective than some big brands.