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Professional graders evaluate a diamond's clarity by examining the stone under 10x magnification. They assess multiple aspects of its flaws, including the number, size, location, type, and relief. After this in - depth inspection, the diamond is assigned one of 11 distinct clarity grades. Moreover, every internal and surface flaw is meticulously marked on the diamond's certificate. This not only helps in accurately grading the diamond but also serves to identify the particular stone as one - of - a - kind.

Diamond certification involves a professional gemstone appraisal agency evaluating whether a diamond is genuine.

Fluorescence in lab - grown diamonds is the light they emit when stimulated by ultraviolet light. This phenomenon has a tight connection with the diamond's color. When lab - grown diamonds are exposed to light, they can reflect multi - colored light, creating a spectacular display of hues. Typically, the lighter the base color of the diamond, the more intense the color of the fluorescence it exhibits.

Since the first diamond was discovered over 2,700 years ago, this resplendent gem has been endowed with extremely high value. Even with the discovery of more diamond mines later, natural diamonds still occupy the top position in the jewelry consumption hierarchy. The allure of diamonds stems from their unparalleled beauty and scarcity. During the formation process, the extreme conditions of high temperature and high pressure endow diamonds with extraordinary hardness and brilliant luster. Each natural diamond is the crystallization of a long - drawn - out process over time. The uniqueness of the internal atomic structure arrangement determines that no two diamonds are exactly alike. This one - of - a - kind characteristic, combined with the difficulties in mining and limited production, makes natural diamonds a symbol of luxury and eternity. In the jewelry market, natural diamonds are not only the core material for crafting exquisite jewelry but also a precious asset with investment value, highly favored by consumers and collectors.