Graduate Gemologist® Program

Graduate Gemologist Hero

The Graduate Gemologist diploma program delivers a comprehensive gemology education covering both diamonds and colored stones. Topics covered include historical and current industry information, practices throughout the supply chain and relevant diamond and colored stone source information. Students learn the science behind diamond and colored stone formation, appearance and identification, how to describe color by hue, tone and saturation and how to evaluate diamond and colored stone quality factors. Students apply classroom knowledge through in-depth, practical application of the GIA International Diamond Grading System™ and the GIA Colored Stone Grading System. Using professional gemology equipment, students identify diamonds, colored stones and simulants; distinguish natural, treated and laboratory-grown diamonds and gemstones; and grade diamonds and colored stones.

What You’ll Earn: GIA Graduate Gemologist Diploma, GIA Graduate Diamonds Diploma, GIA Graduate Colored Stones Diploma

What You'll Learn

  • Describe the components of the diamond and colored stone supply chain
  • Explain the science of diamond and colored stone formation, appearance and identification
  • Describe how quality, rarity, color and market factors affect gem value
  • Grade diamonds using the 4Cs (color, clarity, cut and carat weight)
  • Identify diamonds, colored stones and simulants
  • Grade colored stones using the GIA Colored Stone Grading System
  • Detect treated and laboratory-grown gemstones
  • Identify the relationship between proportions and diamond weight
  • Describe the GIA International Diamond Grading System™
  • Describe the GIA Colored Stone Grading System

Possible Career Paths

  • Appraiser
  • Auction House Jewelry Specialist
  • Colored Stone Buyer
  • Diamond Buyer
  • Diamond Sorter/Grader
  • Estate Jewelry Dealer
  • Staff Gemologist
  • Inventory Control Specialist
  • Jewelry Business Owner
  • Jewelry Buyer
  • Jewelry Sales Professional
  • Lab and Research Professional
  • Merchandiser
  • Pawnbroker
  • Retailer
  • Wholesaler