Melissa B.
1/26/2017
Awesome service! Came in two get two necklace clasps fixed. I expected to have to leave them at the shop for a couple of days, but nope--walked right out after 10 minutes with my fixed...
Balzan Gem Laboratory
Closed
(74)
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210 Post St Ste 306
San Francisco, CA 94108
Balzan Gem Laboratory is an independent gemology lab based in San Francisco, CA, providing expert gem and jewelry appraisals since 1983. Utilizing state-of-the-art equipment, the laboratory specializes in a variety of services including diamond grading, gemstone identification, and jewelry repairs.
With over twenty years of experience, Balzan Gem Laboratory emphasizes continued education and up-to-date market evaluations to ensure accurate appraisals. Their commitment to exceptional quality service establishes them as a trusted resource for gemological needs in the Bay Area.
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Reviews
4.574 reviewsAlex Young K.
9/13/2022
I took a pearl necklace to Mr Balzan for appraisal since pearls are one of his specialties and he's a senior charter member with the National Association of Jewelry Appraisers. He very patiently...
Cassandra J.
9/7/2014
At my last club night, I came home from a hectic night of intense dancing to discover my beloved armour ring had broken! One of the small posts holding the section that covers the lower finger to...
Johanna P.
1/19/2022
Best experience I've had with a jeweler. They are very knowledgeable, professional, and trustworthy. Came here originally to have my ring appraised for insurance. Later on my center stone became...
Ziyan C.
5/9/2014
This place did a great job resizing my silver pearl ring. I had it sized down a couple sizes, which is pretty significant, but it only cost $40 and looking at it now I can't even tell that it was...
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