IGI vs GIA vs SGL Certificate: Which Diamond Certification Should You Trust?
When comparing the IGI vs GIA vs SGL certificate, you are looking at three grading labs with very different levels of global recognition, grading consistency, and market trust. GIA sets the gold standard, IGI is the dominant force in lab-grown diamond grading, and SGL is a regional option common in South Asia. At Lepdo Diamonds, […]
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