- American Gem Society AGS Laboratories is among the best known and well respected diamond grading laboratories in the world.
- C.W.I. Discussion forum A place to share ideas
- C.W.I. Google map listing Information about my service
- DJ Mat The Alien West Coasts Freshest
- GIA – gemological Institute of America Useful site with impartial education
- HRD Antwerp certificates The HRD Antwerp Diamond Identification Report
- Introduction to HRD, Antwerpen Video about my school
- Kimberley Process Info regarding Global governing body for the diamond trade
- Snap Lake Canada’s fourth diamond mine
- The Brilliant Jewel Antwerp World Diamond Centre
- The Diavik Diamond Mine Canada’s second diamond mine
- The Ekati Diamond Mine Canada’s first diamond mine
- The Groom’s Role: Rings
- Victor Mine Canada’s fifth diamond mine
