We also offer you the 5th C , Chuck Rosenblum, who does all our stone purchasing and client consultations. We pride ourselves on offering maximum value pricing. The 4 C's of a quality diamond Cut Cut refers to the arrangements of a diamond's facets. It determines the optimum combination of brilliance, dispersion, and scintillation. Color When least is best. . .
Diamonds come in a range of colors.
The more colorless the diamond, the greater it's rarity and value. To the untrained eye a diamond may appear colorless but show some traces of color. See Diamond Color Chart Clarity Clarity is the degree to which tiny natural marks called inclusions are present in the diamond. The standard measurement for diamond size. Bigger is not necessarily better when it comes to measuring the quality of a diamond.