Meet the Expert

Experience You Can Trust. Expertise You Can See.

Meet Deborah Villepigue, a distinguished gemologist and geologist delivering independent, precise jewelry appraisals backed by decades of expertise.

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Deborah Villepigue, GIA-GG, RMV

Deborah Villepigue is a Gemologist, Geologist, Appraiser, Expert Witness, and Forensic Investigator — widely regarded as one of the most credentialed independent jewelry appraisers in the United States.
She is the world's first professional to hold credentials as both a certified gemologist and a recognized geologist — enabling her to identify not just what a stone is, but where it came from and how it was formed.
"I do not buy or sell jewelry. My only business is truth." — Deborah Villepigue
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GIA Graduate Gemologist (GG)
The highest credential awarded by the Gemological Institute of America
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Registered Master Valuer (RMV)
One of fewer than 50 in the United States
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Qualified Expert Witness
Accepted by courts across the United States for jewelry testimony
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Forensic Gemologist
Trained to investigate fraud, misrepresentation, and insurance disputes

Credentials & Certifications

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GIA-GG
Graduate Gemologist
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RMV
Registered Master Valuer
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APPA
American Personal Property Appraiser
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CGA
Certified Gemological Appraiser
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AGS-CGA
American Gem Society
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USPAP
Uniform Standards Certified
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Forensic
Forensic Gemologist
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Expert Witness
Court Qualified
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Geologist
Certified Geologist

Absolute Independence. No Conflicts of Interest.

The Jewelry Appraiser Inc operates exclusively as an appraisal firm. Deborah does not buy, sell, broker, or consign jewelry — which means her valuations are never influenced by financial relationships, inventory needs, or sales commissions.
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No Buying or Selling
She never purchases or sells the items she appraises
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No Commissions
Her fee is fixed — never a percentage of appraised value
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No Referral Bias
No financial relationships with dealers, auction houses, or insurers

How the Appraisal Process Works

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1. Consultation
Schedule an in-person appointment. Bring your items, any documentation, and any questions you have about the valuation.
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2. Examination
Each piece is physically examined using professional gemological instruments — loupe, microscope, spectroscope, and more.
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3. Research
Market comparables, auction records, and retail benchmarks are analyzed to establish a precise, defensible value.
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4. Certified Report
You receive a USPAP-compliant appraisal document accepted by insurance companies, courts, and the IRS.

Ready to Work with the Best?

Schedule your appraisal with Deborah Villepigue — the most credentialed independent jewelry appraiser in the United States.

Book an Appraisal