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 clarit grades, selection – rejection, shading and assortment procedure with accuracy and speed.
Differentiation of real diamond from American diamond.
Knowledge about different trade words commonly used in market.