• ASA - The American Society of Appraisers
• Jewelry Appraisers - Links to several of my colleagues (organized by state).
• Appraisal Foundation - The Appraisal Foundation, a not-for-profit educational organization dedicated to the advancement of professional valuation
• The Master Valuer Program - I teach courses in this program
• California Institute of Jewelry Training - Jewelry Arts, Jewelry Valuation, Gemology & Jewelry Sales Training
• NAJA - The National Association of Jewelry Appraisers
• USPAP -  Uniform Standards of Professional Appraisal Practice developed by the Appraisal Foundation
• AGA - Accredited Gemologists Association
• FTC Guides - Federal Trade Commission Guides for the Jewelry, Precious Metals, and Pewter Industries
• GIA - The Gemological Institute of America
• AGS - American Gem Society Laboratories
• GIA Alumni Golden Gate Chapter - San Francisco Bay Area chapter of the GIA Alumni Association
• Pricescope - A great consumer information resource for diamond buyers. Take a diamond tutorial. Use the search engine to find diamonds all over the Internet and compare prices.  Use the forum to ask questions or share information with other diamond buyers.
• Diamonds.Net - Presented by Rapaport Information Services, Publishers of The Rapaport Diamond Report (A great collection of jewelry links)
• Quantum Leap Software Solutions - Professional Appraisal Software for the Jewelry Industry
• Is Your Jewelry At Risk? - Good advice about selecting an appraiser & insuring your jewelry
• How to Select Gemstones  - Presented by GemData
• How to Recognize a Good Jewelry Appraisal - Information from the Jewelry Insurance Standards Organization
• How to Enter the Appraisal Profession - Information from the Appraisal Foundation (PDF File)
• Understanding Carat (or Karat) Purity of Metals - Wikipedia explanation
• How to Buy a Gemstone - Fun Brochure from the GIA (Gemological Institute of America)
• How the GIA Grades Diamonds - A video from the GIA  on the "4 C's" of diamond grading
• American Gem Society Podcasts - Podcasts on various gem-related subjects from AGS
• All About Jewels Glossary  - An illustrated dictionary of jewelry terms
• World Gold Council - Everything you might want to know about Gold
• Sarin Diamond Grading Tools - Sarin is a worldwide leader in the development of Diamond Grading systems, Gemology Tools and rough diamond optimization systems
• Independent San Francisco Bay Area Jewelry Appraiser

Bay Area Jewelry Stores - Fine jewelry stores in the San Francisco Bay Area

• Christe James Jewelry Works - Danville
• Davidson & Licht - Santa Clara, Walnut Creek
• Dioro - Danville
• Ehrhardt's Fine Jewelry - San Ramon
• Lang Antique and Estate Jewelry - San Francisco
• Mann's Jewelers - San Jose
• Milner's Jewelers - Walnut Creek
• Morrison's Jewelers - Orinda
• Nordstrom - San Francisco, Walnut Creek
• Simayof - San Francisco, Walnut Creek, Las Vegas
• Valley Jewelers - Concord

Internet Shopping Sites - These are commercial sites that may be of interest to buyers of new and used jewelry.

• James Allen - Shop for diamonds
• Nice Ice - Shop for diamonds
• Blue Nile - Shop for diamonds
• White Flash - Shop for diamonds
• Good Old Gold -Shop for diamonds
• USA Certed Diamonds - Shop for diamonds
• EightStar - Shop for diamonds

• Yehuda Diamond Company - Understand and buy Yehuda clarity enhanced diamonds.

• Opals Guaranteed - Australian opals, opal and ammolite jewelry.

• diamondSE.info - A search engine for finding loose diamonds.

Publications - Jewelry and appraisal related publications.

• JCK - The premiere magazine for the jewelry trade
• Modern Jeweler - A beautiful magazine for the jewelry trade