Listings
Hits | Alphabetical
| Diamond Info.org Featuring information on diamond four C's, in-depth diamond info, diamond grading report, application guide, carat weight, diamond clarity, buyer’s guide and other worth information. www.diamondinfo.org - more details » |
| Gemological Institute of America - GIA Nonprofit organization offering gemstone identification, online buying guide, training and working to ensure the public trust by educating in the gem and jewelry industry worldwide. www.gia.edu - more details » |
