BGM stands for Brown, Green, or Milky and refers to diamonds that exhibit brown or green undertones or a milky/hazy appearance. These characteristics can affect a diamond’s brightness and transparency, making them less desirable in certain settings.
At Nivoda, BGM details are provided when applicable to help you make informed purchasing decisions. You can also toggle the BGM filter to refine your search based on your preferences. If BGM information is missing for a diamond, you can submit a Info Request for further details.