The Gemological Institute of America – Established in 1931, GIA is the world’s foremost authority on diamonds, colored stones, and pearls. The leading source of knowledge, standards, and education in gems and jewelry.

Jewelers of America – Jewelers of America was founded by jewelers in 1906, with a desire to advance the professionalism and ethics of the jewelry industry. Your resource on how to shop for jewelry with confidence.

American Gem Society – AGS was founded in 1934 and is the country’s preeminent jewelry trade organization dedicated to consumer protection.

The American Gem Trade Association – AGTA is dedicated to promoting the long-term stability and integrity of the natural colored gemstone and cultured pearl industries through education and promoting ethical standards.

Pricescope – Pricescope is a Consumer advocate site dedicated to consumer education about diamonds and diamond prices.

Kitco – Kitco offers Live Market Quotes for precious metals, historical charts and up-to-date news and reports.

Federal Trade Commission – The FTC’s Jewelry Guides are designed to help consumers get accurate information when they are shopping for gemstones and precious metals.

“The pieces were analyzed in my presence and the written appraisal provided to me approximately a week later after she performed a thorough market analysis.”

James C., Angie’s List Reviews