MB&B Gemological Services 
and Fine Jewelry 

MB&B Gemological Services

Jewelry Appraisals
Gemstone Identification
GIA Graded Diamond Sales
Fine Jewelry 


Our Contact Information

MB&B Gemological Services

3380 Ruben Torres Blvd (Suite 203-F)

Brownsville, Texas 78526


Phone: 

(956) 346-7294 (Local)

(888) 509-1307 (Toll Free)


Email: 

ClientServices@mbbgemology.com 


Find us on Facebook by clicking the Social Media button below.

Business Hours:


***BY APPOINTMENT ONLY***


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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