In the all-important diamond trade, ability to grade diamonds accurately is vital to assign value. A lab class at ACGS provides an opportunity to acquire or fine-tune diamond grading skills.

Get trained to grade diamonds accurately under personal supervision of an experienced instructor using a modern gemological microscope as well as a 10X loupe.

• Understand the concepts of clarity, color and cut in diamonds
• Grading diamonds for clarity
• Grading diamonds for color
• Grading diamond cut
• Detect treatments
• Distinguish common stimulants
• Characteristics associated with synthetic diamonds

• ACGS Diamond Grading Certificate

• Anatomy of polished Round Brilliant Diamond
• The 4 Cs of diamond value
• Clarity characteristics and clarity grading procedure
• Plotting diagrams
• Color scale in diamonds and color grading procedure
• Grading proportions, symmetry, and polish
• Grading fancy shapes
• Small size diamonds – sieve sizes

40 classroom hours spread over 11 days