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The GIA Laboratory provides a variety of gem grading and identification reports for diamonds over 0.15 carats. [10] Diamond grading reports for unmounted natural and laboratory grown diamonds determine their key characteristics: color, clarity, cut and carat weight.
Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. A synthetic diamond or laboratory-grown diamond (LGD), also called a lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is a diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is ...
Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms
What’s a lab-grown diamond? “Lab-grown diamonds are created in state-of-the-art laboratories, rather than being mined from the earth,” says Pahlajani. “They undergo the exact same process ...
However, over the past few years, the gem industry has become more and more accepting of lab grown diamonds. That's right -- diamonds can literally be made in a lab, no mining or pick axe required
IGI provides independent grading reports, colored stone reports, identification and appraisal reports, diamond authentication and attestations of origin, and laser inscription services. They also offers diamond and colored stone courses through IGI's Schools of Gemology. [7] Graduates from the IGI school of Gemology are awarded an IGI Diploma.
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