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Natural Diamonds: An Intruder in the Laboratory-Grown Supply Chain
January 14, 21 by Debbie Azar
Debbie Azar is president a
nd co-founder of Gemological Science International (GSI)
Last May, I wrote a Memo about the need for full disclosure on grading reports issues by gemological laboratories when it comes to post-growth treatments of laboratory-grown diamonds. That has not changed. What is changing is an emerging pattern of undisclosed natural diamonds being mixed with laboratory-grown diamonds in jewelry. It is a new a
nd different conversation to have around disclosures, testing and ethics.
All laboratory-grown diamonds submitted to us for certification go through a specific, controlled process. In the past several months during our routine grading of laboratory-grown diamond jewelry, our team of experts have come across natural diamond melee mixed into lab-grown diamond jewelry on numerous occasions.  Laboratory-grown diamond jewelry with undi ....

Debbie Azar , Gemological Science International , Natural Diamonds , Laboratory Grown Supply , Consumer Protection , டெப்பி அசார் , கேமொழோகிகள் அறிவியல் சர்வதேச , இயற்கை வைரங்கள் , ஆய்வகம் வளர்ந்த விநியோகி , நுகர்வோர் ப்ரொடெக்ஶந் ,