With the world becoming more environmental- and conflict-conscious, we receive lots of inquiries about the various different forms of lab-grown gemstones…particularly rubies and sapphires. I recently had the priviledge to sit down with Tom Chatham, President of Chatham-Created Gems, to discuss the differences between the various types of grown sapphires and rubies. Take a few minutes to really see and understand what the differences are.
Author: Michelle M. Rahm is a GIA-trained Graduate Gemologist and is President of Colorado’s Mile High Chapter of the GIA Alumni Association. She has been selling gemstones and jewelry online since 1997. Visit her websites JewelryImpressions.com and OurCustomWeddingRings.com





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