Hey people Friends What is bgm in diamonds?

BGM stands for "Brown, Green, and/or Milky," and TLB stands for "Top Light Brown. BGM: "BGM" describes three important evaluations for any stone, which stands for Brown, Green, Milky. "No BGM" is the industry term for a diamond that does not contain a brown or green shade (tinge) and does not have a milky or cloudy appearance. Hi everyone, my name is josh and im from Hong Kong. diamond, #brown, #shade, #refer, #contain, #tinge, #fancy, #colored, #industry, # appearance, #milky, #green, #cloudy, #diamonds. What Is The Best Color Diamond for an Engagement Ring? The Brightest Whitest Diamonds: Factors of.