Jewelry Appraisals

Gemstone Identification

GIA Graded Diamond Sales

Fine Jewelry 

MB&B Gemological Services, LLC

and Fine Jewelry 

Our Contact Information

MB&B Gemological Services, LLC

3380 Ruben Torres Blvd (Suite 203-F)

Brownsville, Texas 78526


(956) 346-7294 (Local)


[email protected]

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Business Hours:


Monday to Friday: 8:00 AM – 5:00 PM*

Saturday to Sunday: Closed

*Please let us know if our hours conflict with your schedule. We can accommodate any schedule needs.

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