Lab-Grown Diamond Guide
What are Lab-Grown Diamonds?
Lab-growndiamonds are scientific products created within controlled laboratory environments. By simulating the extremeHigh Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD) conditions required for natural diamonds to crystallize deep within the Earth's crust, carbon atoms are deposited and grown systematically onto a diamond seed. In terms of gemological definition,lab-grown diamonds are identical to naturally mined diamonds in their chemical composition, crystal structure, and physical properties.
Core Comparison:Unity of Physical and Optical Characteristics
At the physical attribute level, lab-grown diamonds possess the same crystal density, dispersion value, and refractive index as natural diamonds. Both have a Mohs hardness of 10, the highest known hardness of any natural substance. Because the two exhibit identical optical performance, even seasoned gemological experts cannot distinguish them through the naked eye or conventional magnification tools; identification must rely on complex professional laboratory instruments for physical origin testing.
Industry Identification and Verification Standards
Lab-grown diamonds are supported by a mature and rigorous identification system within the international jewelry industry. Leading global gemological institutions, such as IGI and GIA, apply the same 4C grading standards to lab-grown diamonds as they do to natural diamonds and issue legally valid grading reports. To ensure traceability and transparency, every certified J’enchanté lab-grown diamond of 1 carat and above is precision-engraved on the girdle with a unique certificate number and the brand mark "J'ENCHANTE". Customers can perform real-time inquiries on the official websites of the grading institutions using the certificate number, ensuring the quality standards and authenticity of every jewel through these verifiable objective data.