1. Visit gemdat.org for gemological information about Cryolite

2. Visit gemdat.org for gemological information about Albite.

3. All Blue Nile Colored diamonds have natural color, ranging from yellow, pink, blue and beyond, and are accompanied by a Gemological Institute of America (GIA) report.

4. These include, for example, collaboration with Gemological Institute of America (GIA), the American Gem Society (AGS) and the Iowa-based Association of Boards of Certification (ABC) on training issues, certification arrangements and harmonization on technical codes.

5. The I1 Clarity grade is assigned by gemological laboratories (such as GIA and AGS) when the diamond has inclusions that can be seen easily at 10X magnification.This is true even for an unskilled lay-person who’s using the loupe for the first time.

6. Circa Maintains an a+ rating with the better business bureau and is an affiliate member of the gemological institute of America(GIA) , and the IGE socio profesional, among other prestigious industry groups, Circa's experts are the world's leading buyers of jewelry, diamonds, and watches.

7. Circa Maintains an a+ rating with the better business bureau and is an affiliate member of the gemological institute of America(GIA) , and the IGE socio profesional, among other prestigious industry groups, Circa's experts are the world's leading buyers of jewelry, diamonds, and watches