How do labs or gemologist determine the origin (or provenance) of Rubies, Sapphires & Emeralds?

If you have read my previous blog posts or seen my videos’ regarding what determines the value of gemstones, country of origin is one of the most important criteria.  Certain origin where the gemstone is mined from always commands a higher price due to its history, rarity, and perception they have with traders or gemstone …

How do labs or gemologist determine the origin (or provenance) of Rubies, Sapphires & Emeralds? Read More »