There are many diamond grading organizations, but the one that is considered to have the longest history is GIA, which is also the organization that invented the 4Cs of diamonds, the standard for evaluating diamonds.
Especially in the diamond resale market, reports issued by appraisal agencies in Japan do not provide an appraisal, so if you are looking for asset value, it is reassuring to purchase one with a GIA certificate. All natural diamond center stones at DIALLURE are certified by GIA.
The 4C standards for engagement rings are Carat 0.3 or higher , Color DEF, Clarity VS2 or higher, Cut
3Excellent DIALLURE offers diamonds of the same or higher standard as high-end jewelers, but by eliminating the middleman, you can purchase the highest quality jewelry at a reasonable price.
