Industry Links


National Association of Watch & Clock Collectors

Encourages interest in the art and science of timekeeping

Gem e Wizard
Digital gem color analysis and pricing

Jewelers Security Alliance – Stolen Jewelry Website
A stolen jewelry web site

Gemology Tools
A computer program with an extensive set of “tools” including diamond weight estimators, colored stone weight estimators, a pearl grader, a diamond cut grader, a round diamond recutting analyzer and the Gemstone Database.

Gemology Online
An online gemological forum

Bureau of Labor Statistics – Consumer Price Indexes
Produces a monthly data on changes in the prices paid by urban consumers for a representative basket of goods and services.

A non-invasive diamond identification and registration system.

The Guide
Complete diamond, colored stone, and pearl pricing

An eclectic look at the gem industry and the rest of the universe

Precious metal pricing and trading

An online platform for jewelry industry professionals

Diamond news and pricing

Appraiser Under Oath
A site for personal property appraisers focusing on the legal side of appraising

A consumer advocacy site for all things diamond

Sarin is a developer of Diamond Grading systems, Gemology Tools and rough diamond optimization systems

OGI Systems
OGI Systems Ltd. develops advanced technology for the diamond industry

Hearts & Diamonds Education – Brian Gavin
A site designed to educate consumers and retailers and clear up any confusion about what qualifies as a true hearts and arrows cut.

The Jewelry Loupe Blog
A magazine-blog for jewelry lovers, makers and connoisseurs.