Gemological Science International (GSI) has brought attention to an alarming increase in the presence of undisclosed lab-grown colored diamonds within the natural diamond inventory. Specifically, diamonds in hues of brown, yellow, and pink are being intermingled with natural diamonds and raising concerns across the sector. Observations from GSI Leadership Debbie Azar, the President and Co-Founder of GSI, has provided detailed insights into the troubling trend observed by their team. This revelation points to a critical challenge within the industry, particularly as the prevalent jewelry screening technology predominantly focuses on white or near-colorless diamonds, thus potentially overlooking colored synthetic counterparts. Advancements…

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