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Guild Laboratories

5.0

About this business

Services Since 1980, Guild Laboratories, in Los Angeles, CA has been the most relied upon source for securing expert gemstone grading, gem identification and independent appraisal and valuation for diamonds, gemstones, jewelry and currency. Guild Laboratories president Charles Carmona, GG ASA has built this reputation by delivering fair and impartial valuation reports and consultation backed by decades of research and appraisal experience. This thoroughly comprehensive manual does the difficult task of estimating carat weigh... read more

Location details

550 S Hill St #1188, Ste 1188, Los Angeles, CA, 90013, United States

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WeekdayScheduleStatus
Mon9:00 a.m. to 6:00 p.m.
Tue9:00 a.m. to 6:00 p.m.
Wed9:00 a.m. to 6:00 p.m.
Thu9:00 a.m. to 6:00 p.m.
Fri9:00 a.m. to 6:00 p.m.
SatClosed
SunClosed
5.07 reviews
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Goldy Georges's profile image
Goldy Georges 
on Google
a year ago

If you need a gem certification with GIA standard go to Charles , he is the best . 

M. P.W.'s profile image
M. P.W. 
on Google
a year ago

Charles is a professional and has been doing this for 35 plus years. 

Avida Giloh's profile image
Avida Giloh 
on Google
2 years ago
Laurent Ashton's profile image
Laurent Ashton 
on Google
2 years ago

Expert Lab. Top credentials. Impartial evaluations for gems in the Jewelry District. 

steven way's profile image
steven way 
on Google
4 years ago

Same day appraisal. Very knowledgeable, explained all the steps as we watched him work. Excellent service, well worth the price. 

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Frequently asked questions about Guild Laboratories

How is Guild Laboratories rated?

Guild Laboratories has a 5 star rating with 7 reviews. 

When is Guild Laboratories open?

Guild Laboratories is open now. It will close at 6:00 p.m.  

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