How Does the Gemological Institute of America or GIA Grade Pearls?
- By Laryssa Wirstiuk
- Nov 9, 2019
If you've ever purchased a diamond for an engagement ring or other piece of meaningful jewelry, you may have heard of the Gemological Institute of America or GIA. Founded in 1931, the GIA is a nonprofit institute that's dedicated to education and research in gemology and jewelry arts.