On Paladin Concepts

Course 106, Lab Grown Diamonds: www.paladinconcepts.com/elearning-106

Course 107: The Natural Diamond Story

Course 111: Four Cs, Part One: www.paladinconcepts.com/elearning-macys-111

Course 112: Four Cs, Part Two: www.paladinconcepts.com/elearning-macys-112

Tutorial: Colored Gemstones: www.paladinconcepts.com/elearning-colored-gemstones

 

On IGI.org

Course 106: Lab Grown Diamonds: www.igi.org/elearning/macys/106

Course 107: The Natural Diamond Story

Course 111: Four Cs, Part One: www.igi.org/elearning/macys/111

Course 112: Four Cs, Part Two: www.igi.org/elearning/macys/112

Tutorial: Colored Gemstones: www.igi.org/press/igi-elearning-tutorial/

 

Landing Page

IGI Landing Page: www.igi.org/elearning