How to cut gemstones.

The Unexpected Origins of Big Diamonds | Dr. Evan Smith | GIA at JCK

The Unexpected Origins of Big Diamonds | Dr. Evan Smith | GIA at JCK
THE MOST EXPENSIVE COLORED GEM IN THE WORLD. JADE

THE MOST EXPENSIVE COLORED GEM IN THE WORLD. JADE
GIA versus EGL - Buyer Beware!

GIA versus EGL - Buyer Beware!
Dave Bindra: A Colored Stone Dealer's Perspective

Dave Bindra: A Colored Stone Dealer's Perspective
How to cut gemstones.

How to cut gemstones.
After watching this, your brain will not be the same | Lara Boyd | TEDxVancouver

After watching this, your brain will not be the same | Lara Boyd | TEDxVancouver
Mine Cristal, mining quartz crystals

Mine Cristal, mining quartz crystals
GIA Gemological Laboratory by GIA

GIA Gemological Laboratory by GIA