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Formerly Primagem by Jeffery Bergman, 8th Dimension Gems of Bangkok was launched in 2020 to commemorate 50 years in the gemstone and fine jewelry trade. Known for exceptional unheated rubies and sapphires, extra fine emeralds and a host of other gemstone varieties, Jeffery continues his five decade legacy of sourcing the very finest natural gems for discerning wholesale dealers and fine jewelry manufacturers around the globe.