Services include cutting, appraisal, classes and gem sales.

Provides diamond, colored stone and pearls certification, analysis and consultations.

European Gemological Laboratory's is and international.

The world’s largest and most respected nonprofit institute of gemological research and learning.

Provide opals, gemstones, collector stones, synthetics, cabbing and faceting rough, lapidary equipment and supplies.

Diamond grading reports and appraisals.

Gemological laboratory specializing in fine jewelry insurance, estate appraisals, and diamond grading.

The world's largest independent gem certification and appraisal institute and is renowned for its quality services, extensive experience and know-how.

A network of gemologists, private collectors, and international financiers for the buying and selling of kashmir and burmese sapphires.

Specializing in customizable sterling silver and gemstone jewelry at affordable prices.