Precision in Diamond Grading and its impact on your Diamond’s value
by Dr. Lalit K. Aggarwal Diamonds are rare and their market value depends on their weight and quality. Light performance of a diamond, color, and lack of inclusions and flaws …
What is an appraisal and why do you need an appraisal?
by Rick Lewis (G.G., GIA) of Lewis Jewelry Appraisal Services An appraisal describes jewelry, a diamond, or a gemstone in a great deal of detail and assigns a value to it. …
Light Behavior & Your Diamond
ImaGem’s light behavior is based on direct measurement and human perception. With our system, what you see is what you get. With this system we select diamonds that are brilliant; …