Formation of diamond - constants and characteristics - sources of diamonds.
Diamonds are graded by what is commonly known as the 4 c's - clarity, cut, color and carat
Cut grading - ideal cut, strong - flat cut, single – full cut, heart & arrow cut, fancy cut.
Complete assorting according to polishing grades, selection - rejection & assortment procedure and final with accuracy
Differentiation of real diamond from American diamond.
Certification, knowledge about different grading systems & understanding the certificate issued by them