Analysis Identification Valuation 
Gemology Resources
JUNE 21, 2024
This detailed essay encompasses the diamond’s identification, color, clarity, cut, and carat weight—four critical factors known as the "Four Cs" or a colored gemstone's identification, treatment, or lack of treatment all of which can greatly influence a gemstone's value.
Penrose Appraisals
MARCH 14, 2024
Identification. In some cases, positive identification may require the opinion of a recognized expert who may or may not be the appraiser. Appraisers are not simply walking around with valuations in their head. Rather, it is likely that an appraiser will have to conduct research in order to arrive at a determination of value.
Gemology Resources
JUNE 21, 2024
This detailed essay encompasses the diamond’s identification, color, clarity, cut, and carat weight—four critical factors known as the "Four Cs" or a colored gemstone's identification, treatment, or lack of treatment all of which can greatly influence a gemstone's value.
John Thomas Jewelers
AUGUST 17, 2023
These generic estimates lack the in-depth analysis necessary for accurate valuation. Providing documentation of the comparative market analysis as part of the final appraisal report. Valuation methodology explanation such as market data, gemological assessments, and comparative market analysis (CMA).
Imperial Gem Lab
MAY 13, 2019
ASA-accredited appraisers provide exceptional valuation expertise as they earn their designations only after completing a rigorous course structure and peer-evaluation process that requires years of study, experience, dedication and commitment. Beware of jewellers who may claim to be appraisers, instead seek a qualified appraiser.
Buckhead Jewelry Appraisers
SEPTEMBER 14, 2023
Examination The certified jewelry appraiser will thoroughly examine your jewelry, including gemstone evaluation (identification, color, clarity, cut, and carat weight). A metal analysis typically includes examining stamps and hallmarks and weighing the metal. The appraiser also takes note of any maker's marks or hallmarks.
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