Welcome To

Precision Jewelry Appraisal LLC Tucson, AZ



Call us today to schedule an Appointment at 520-534-0301!

What we do


Diamond Grading

Our experienced gemologists use the latest techniques and tools to accurately grade diamonds based on the 4Cs (cut, color, clarity, and carat weight).

Color Stone Identifications

Our team is well-versed in identifying a wide range of colored gemstones, including rubies, sapphires, emeralds, and more.

Jewelry Appraisals

We provide detailed appraisals for fine jewelry, including antique and period pieces, using the most current market data.

“A gem cannot be polished without friction, nor a man perfected without trials.”

– Lucius Annaeus Seneca

About Precision Appraisal LLC

Precision Jewelry Appraisal the place for all  gemstone and jewelry appraisal

Precision Jewelry Appraisal LLC, in Tucson Arizona, provides expert service in diamond grading, color stone identifications as well as appraisal opinion of gemstones, fine jewelry  and time period jewelry

Who needs an appraisal?

Buyers and owners of gemstones and jewelry. These can be  individuals, families, jewelers, jewelry stores, probate and estate attorneys.

Precision Jewelry Appraisal specializes in jewelry appraisals for various purposes which can be summed up as insurance, fair market value, estate for tax purposes, quality confirmation and many more.

About Emmillio The Appraiser


GIA Graduate Gemologist (GG)

Diploma, Marketing, Chartered Institute of

Marketing, UK

Bachelor of Business Administration, BBA, UNZA, Zambia


Certified Gemologist Appraiser (American Gem Society)

Independent Appraiser and member of the American Society of Appraisers (ASA)

Precision Jewelry Appraisal LLC is owned  and operated by Emmillio M Chanda.

Emmillio The Appraiser has been working in the gemstone and jewelry industry since 1989. As Sales and Marketing Director at Zambia Emerald Industries he  was responsible for the sale of  cut and polished Zambian emeralds to the international market.

 Intrigued by diamonds and gemstones, he pursued studies at the Gemological Institute of America (GIA), California, USA. He later emigrated to the USA to pursue this passion. He served as Senior Gemologist and supervisor at Independent Gemological Laboratories in New York and later as head of appraisal department at Family Jewelers, Marlton New Jersey.



American Gem Society (AGS)

American Society of Appraisers (ASA)

GIA Alumni (Gemological Institute of America)

Rotary Club of Catalina, Tucson Arizona

Insured by Jewelers Mutual


1 reviews on
Jen Danchetz
Jen Danchetz
Precision Jewelry Appraisal was great, they answered all my questions and I felt confident having them appraise my jewelry!
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