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There are many factors to consider in gem grading. It is why we have created this booklet to serve as reference on how to judge and value the most common gems by: 

  • Carat
  • Cut
  • Color
  • Clarity

What's more in our guide?

  • The difference between grading diamonds and colored gemstones
  • A brief understanding on the common treatments for rubies, sapphires and emeralds
  • Gemstone origin and how this affects their value

Fill out the form to download the FREE guide and use this information to find the right stone for your needs. 


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