The Gemological Institute of America (GIA) is a nonprofit organization that is world-renowned for its diamond grading services, gemological research, education, and laboratory services. Established in 1931, the GIA is
The September Birthstone: Sapphires Sapphires are one of the world’s most unmistakable gemstones. Like emeralds or rubies, sapphires stand apart as one of the most gorgeous, vibrant precious stones, with
If you’re not familiar with black diamonds, it’s time you learned about these unique gemstones. Essentially the exact opposite of a “normal,” or colorless diamond, black diamonds are black-hued gemstones that add a striking accent to any piece of jewelry.