DIAMOND TERMS GLOSSARY

Sell Diamonds in the United States
  • AbrasionA blemish, such as small nicks along the facet junctions which look whiter than the rest of the diamond. Excessive abrading can be a sign that the stone is cubic zirconium, not a diamond
  • AGS (American Gem Society)A highly regarded diamond grading laboratory in the United States. The accuracy of their diamond reports is 2nd only to GIA
  • AppraisalEvaluation of diamonds or other jewelry, usually for insurance or estate purposes
  • Artificial ColorationColor produced in a diamond by any of several enhancement processes
  • Asscher CutEarly emerald cut style with very wide corners, a high crown and a deep pavilion (Diamond Shapes)
  • Average Girdle DiameterValue achieved by adding the largest and smallest girdle measurements of a Round Brilliant diamond and dividing by 2