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Graduate Gemologist Appraiser

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Precision Gem Appraisals

Trustworthy. Accurate. Affordable.

PGA is a comprehensive  

gemological laboratory providing professional insurance appraisals, estate evaluations, gemstone identification services and more to clientele in Colorado's Front Range and beyond with a commitment to excellence and integrity throughout the valuation process. 

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Precision Gem Appraisal Services

Expert Appraisals

Insurance Evaluations

 The purpose of this document is to obtain insurance coverage for your jewelry or timepieces on your homeowner's, renter’s policy or with an independent insurer of jewelry.

Items are fully researched and given a valuation at the appropriate and most common market level.

The appraisal is written for the retail replacement value of an item should it become lost, stolen or badly damaged. It is the written description of an item in which the insurance company and its underwriters will use to determine the premium and amount of insurance needed, depending on the terms. Make sure you know what your policy covers.

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Estate Evaluations

Discover Your Asset’s True Value

Estate jewelry appraisals are based on the fair market value of items as of the decedent’s date of death or alternative date as determined by the executor and are used for the estate’s tax liability. These values are lower than the insurance replacement values. In cases where the items are kept rather than sold, the values are based on fair market value in the secondary retail level in the appropriate market.

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Colored Stone Identification

Is this stone genuine?

Do you have a loose gemstone or a piece of jewelry with a stone and you don’t know what it is? There are many green stones that could be emerald, peridot, tourmaline or garnet. A red stone could be a ruby, spinel or garnet. Is your dark blue stone a sapphire, topaz or tanzanite? Did you know that sapphires, spinels and garnets come in almost every color? Many of these have synthetic counterparts. Some stones are even composed of two pieces of different stones called doublets. It may be valuable or just a pretty piece of glass but without the proper tools and knowledge to identify it, you’ll always be guessing. For a nominal fee, I’ll be happy to look at it, run some basic gemological testing and come to a conclusion without you having to pay for a full written report.

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Frequently Asked Questions


About the Appraiser

I am a Graduate Gemologist from the Gemological Institute of America (GIA) and a Certified Appraiser from the National Association of Jewelry Appraisers (NAJA), living and working in Denver for the last 20 years. I have extensive knowledge of the jewelry and appraisal industry. Because I am a Certified Member of NAJA, the appraisals I deliver are USPAP (Uniform Standards of Professional Appraisal Practice) compliant, and adhere to the NAJA report writing standards, an important distinction in today’s environment. The Uniform Standards of Professional Appraisal Practice (USPAP) is the generally recognized ethical and performance standards for the appraisal profession in the United States. USPAP was adopted by Congress in 1989, and contains standards for all types of appraisal services, including real estate, personal property, business and mass appraisal. 

Many insurance companies are transitioning to policies requiring USPAP compliant appraisals, inherently performed and signed by a Graduate Gemologist.

Since 2018, I have inspected and determined the value of my clients' assets. As your professional Graduate Gemologist Appraiser, I guarantee accurate valuations and for a fair price.

Contact Me Today!



Bachelor of Arts Psychology, Indiana University, 1990

Graduate Gemologist (GIA) Gemological Institute of America, 2003

 GIA Diamonds Graduate; GIA Colored Stones Graduate

GIA Diamond Essentials, GIA Diamonds and Diamond Grading

GIA Accredited Jewelry Professional (AJP)


 Certified Member (NAJA) National Association of Jewelry Appraisers, 2021-2023




Sales Associate, Charles Koll Jewelers, 2001-2003
Sales Associate, Diamond Specialist, Hyde Park Jewelers, 2003-2015
Sales Associate, Fifth Avenue Designs, 2016-2022
Appraiser, Fifth Avenue Designs, 2018-2022
Appraiser, Precision Gem Appraisals, LLC 2022

Contact PGA

Servicing Denver and the greater metro area


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