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  • Writer's picturePrestige Evaluation

The Science of Treasure


Gemology is the science dedicated to the identification, grading, and evaluation of gemstones, making it an indispensable part of jewellery appraisal. 


By studying the physical, chemical, and optical properties of gemstones, gemologists can accurately identify and assess the quality and value of these precious stones.  This  involves examining the various characteristics of gemstones, including color, clarity, cut, and carat weight, to determine their rarity and desirability. 



To do this Gemologists use specialized tools and techniques, such as microscopes, refractometers, and spectrometers, to analyze and authenticate gemstones. This process allows them to determine one species of gemstone from another, for example blue topaz from aquamarine or even the origin of a gemstone such as distinguishing Colombian emeralds from Ethiopia emeralds.  



Not all gemstones hold the same value such as in the case of lab created sapphires versus earth mined sapphire.  Or what about distinguishing between a natural diamond and other man made diamond simulants.  


In the realm of jewelry appraisal, gemology plays a crucial role in determining the authenticity and value of gemstones and gemstone jewellery. Gemologists assess the quality and provenance of gemstones, providing valuable insights  through detailed appraisal reports. 


Whether it's assessing the brilliance of a diamond, the color saturation of a sapphire, or the clarity of an emerald, gemology serves as the foundation of jewelry appraisal, helping to safeguard the integrity and value of fine jewelry for buyers, sellers, and collectors alike.


Suzanne Charlebois

Registered Gemologist


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