By Appointment Only 412.848.9037
Welcome to Quinn, Gemologist, Appraiser, Broker

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Thomas E. Quinn II GG, GJ, CM
Graduate Gemologist, Graduate Jeweler, The Gemological Institute of America (GIA)
Certified Member, The National Association of Jewelry Appraisers (NAJA)

Experts in helping people appraise, buy and sell diamonds, colored gemstones, jewelry, watches, precious metals and other valuables with transparency. We are committed to high ethical standards and providing our clients with unbiased information. We provide multiple secure locations and everything is confidential.

 We can liquidate everything from a single item to an entire estate. Almost every type of diamonds, jewelry, watches, colored gemstones, and precious metals are of interest to us. Due to our diverse clientele, we are buyers for almost any category of these items. We specialize in diamonds, signed designer jewelry (Van Cleef & Arpels, Cartier, Tiffany & Company, LeVian), antique & period jewelry (Art Deco, Edwardian, Victorian, Art Nouveau), luxury watches (Rolex, Breitling, Omega, Cartier), and colored gemstones (Sapphire, Ruby, Alexandite, Emerald). We can also assist with items of provenance, precious metal coins and mineral specimens. We offer both immediate payment and consignment options.

 Our unbiased appraisals will meet or exceed the requirements that you, your attorney, your insurance company, the government, or anyone else sets forth. We adhere to the standards set forth by the Uniform Standards of Professional Appraisal Practice (USPAP) and the National Association of Jewelry Appraisers (NAJA). Our grading standards are based on the most respected and recognized grading standards in the world; GIA (The Gemological Institute of America). Our appraisals contain detailed descriptions and we assign realistic values that can be substantiated.

For questions, or to schedule an appointment,
contact us by phone: 412.848.9037,
or by email:

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200 Curry Hollow Road | Pittsburgh, PA 15236 | Phone: 412.848.9037 | Email:
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