GSI said its researchers and scientists have made “notable discoveries” in lab-grown diamond identification, such as finding man-made sapphire melee set among natural diamonds in a piece of jewelryin June 2019. GSI announced in March its LGX Lab Grown Diamond Report would list the growth metho...
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If you just need a blank sample to check the design and paper quality, we will provide you sample for free with freight collected; If you need printed samples, we will charge $30-$100 to cover the cost on film. 8) Q: How can I get a quotation? A: Plea...
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