Professional Gemological Services

Expert gemstone identification, appraisal, and certification by certified gemologists

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Luxury Jewelry Diamond Jewelry Collection Professional Gemologist

Our Services

Gemstone Identification

Professional identification of precious and semi-precious stones using advanced gemological equipment

Gemstone Appraisal

Accurate valuation of gemstones for insurance, estate, or resale purposes

Certification Services

Official certification and documentation of gemstone authenticity and quality

Quality Analysis

Comprehensive analysis of cut, color, clarity, and carat weight following GIA standards

About Mineral Gemstones

With over 7 years of experience in gemology, Mineral Gemstones provides professional gemological services to collectors, jewelers, and individuals worldwide. Our certified gemologists use state-of-the-art equipment to ensure accurate identification and valuation of precious stones.

GIA Certified Gemologists
Advanced Testing Equipment
International Standards
Gemstone in focus

Gemological Education

Diamond 4Cs

Understanding the 4Cs of Diamonds

Learn about Cut, Color, Clarity, and Carat weight - the four characteristics that determine a diamond's quality and value.
Precious Stones

Precious vs Semi-Precious Stones

Discover the differences between precious stones (diamond, ruby, sapphire, emerald) and semi-precious stones, and what makes them valuable.

Client Testimonials

"Excellent service! The gemological analysis was thorough and professional. I received a detailed report that helped me understand the true value of my grandmother's jewelry."

Maria Silva Private Collector

"As a jewelry store owner, I rely on Mineral Gemstones for accurate appraisals. Their expertise and attention to detail are unmatched in the industry."

Carlos Rodriguez Jewelry Store Owner

Contact Us

Get in Touch

Gemologist

Rafael Ferreira

Phone

(323)602-8629

Email

terramericacorp@gmail.com

Location

California - USA