Phillips Jewelers - Virtual encyclopaedia of gems and jewelry care and buying guides.

Diamond Grading - Before you buy, learn about diamonds from former Gem-Lab graders.

All About Jewels - Illustrated alphabetical listings of jewelry terms, including fine jewelry, gemstones, costume jewelry, and jewelry making.

American Diamond Buyer's Guide - A diamond buying guide covering color, clarity, diamond shapes, carat weight, cut quality, certificates and a checklist to help determine price.

Diamond Brokers International LLC - Choosing your diamonds.

Jewelry Connection - Detailed information on how to purchase diamonds, pearls, gemstones and gold. Also includes instructions on jewelry care.

Greek Jewelry - 5000 years of tradition - panorama of the course of Greek jewelry from the dawn of Hellenic civilization to the present day as an integral part of Greek society and culture.

The House of Tibara - Opal specialists providing information about the opal, cutting and polishing, brokerages, how to buy opals, a list of upcoming shows and an option to request a catalog.

SSEF Swiss Gemmological Institute - An independent, international, non-profit organisation dedicated to the identification of gemstones, gemstone treatments, origin determination, gemmological research and education.

Wedding and Engagement Ring Advice - Helpful information about the engagement and wedding ring.

HRIH: Birthstone - Free universal birthstone table (365 days). Services: calculating precise birthstone and gemstone information.

Diamond Review - The consumer's buying guide, straight talk about diamond rings by consumers, for consumers. Price database, thorough tutorial, FAQ, local jeweler listings with reviews.

Diamond Price Stats - An alternative way to compare diamond prices for 180,000 stones from over 50 vendors. Search for the best deal for the selected diamond grade.

Charles and Colvard Created Moissanite - All about moissanite.

Diamond Registry - Purveyors of loose diamonds. Offering information, analysis, and quotes.

Diamond House - Certified diamond broker offering diamond jewelry information.

Longship Enterprises - Help for the consumer in shopping for the best deals when buying diamonds and fine jewelry. Presenting a low cost book entitled "Buying Diamonds and Fine Jewelry - A Consumer's Handbook"

DiamondGrading.com - How to buy a diamond, read a diamond certificate, 5 C's of diamonds, facts.

Diamonds of the Web - Informative articles on diamonds and diamond buying.

Idazzle.com - Provides unbiased quality and price information for diamond engagement rings and solitaire diamonds. Choose to be contacted by an authorized jeweler in your area, get a great price and see a diamond before you buy.

Empire Diamond Corporation - Provides information on how to purchase diamonds. Qualified buyers can have the diamond sent to their home or office for a free 10 day no obligation inspection complete with certification by GIA.

Analyzing Diamond Values - Diamond prices are determined by four qualities. Read this short lesson in judging a well-cut diamond.

Evaluating a Diamond: Color - One of the 4 C's, cut, color, clarity, and carat. Learn how to evaluate the quality of a diamond in this article.

How to buy Opals and Opal Jewelery - Details about care and identification of various opal types.

Purchase-diamonds.com - Information on how to purchase a diamond using the four C's, cut, color, clarity, and carat.

4C's of Diamond & Diamond Information - Diamond property chart, clarity, cut, color, diamond certificates, properties, simulates, and substitutes.

soyouwanna.com - How to determine what your girlfriend will like, how to find a good jewelry store, how much to spend, what kinds of stones and bands are available, choosing a stone, how many carats, and how to choose them.

Joyce Jonas and Associates, Inc. - Jewelry consultants specializing in antique and period jewelry education, appraisals, brokering, expert witness testimony, and research.

Antique Jewelry Online - An online community and portal for antique and estate jewelry collectors, featuring shops, articles, tutorials, message forums, wedding resources and fashion tips.

Wedding Jewelry Guide - Illustrated tips on selecting bridal jewelry. Also includes advice on what to think about when ordering custom jewelry.

On-Line Appraiser Jewelry Valuation - The new industry standard in jewelry valuation and protection for jewelers and their customers.

Natural Pearls - All about natural pearls: shapes, sizes, colors and how to test them.

How Stuff Works: Moissanite Jewels - Five-part fully illustrated guide to Moissanite jewels.

DiaInfo.com - Offers information only, not sales. Provides information about fake diamond certificates, fracture filled diamonds and Moissanite.

Diamond Information Center - Offers a diamond forum discussion group, diamond buyer's quiz, books, directory of laboratories, news about research and new cutting technolgies.

Diamond Scope - Find a diamond by searching the database based on price or quality.

Yepez Diamond Consulting - Consulting for the protection of diamond and gold consumers and offer information about fair prices.

Rocky-Talky - The consumer's place to discuss diamond prices and grading. Ask experts how to buy diamonds. Share your diamond buying experience or engagement story.

What to Know Before You Buy Jewelry - Planning a gift of jewelry?

Guide2jewelry - Buying tips and jewelry care advice.

YourGemologist.com - Gemstone reference and information site originally developed for gemology students of the Gemmological Association of Great Britain, but it is now open to all consumers. This is a non-profit site with no selling and no advertising, and is free to consumers.

How To Buy A Diamond - Choosing a diamond is as important as learning how to buy a diamond.

Jewelry Care - Learn how to take care of jewelry.

Gemstone Information - Includes repairing and recutting gems both diamond and color, buying and selling, and identification and appraisal.

Diamond Helpers - Free, unbiased ratings of the best online diamond dealers. Five Easy Steps show how to buy a loose diamond or engagement ring. Site does not sell diamonds.

Diamond.com: How to Buy a Loose Diamond - Free diamond education kit on how to purchase a diamond ring or loose diamonds.

Buyadiamond.net - Advice on all aspects of buying diamonds.

Gem Info - Information about gemstones.

Art of Gifting: Jewelry Learning Center - Learn about diamonds, pearls, gold jewelry, silver jewelry, and jewelry care.

The 4C's of Diamonds - Explains cut, clarity, carat weight and color.

Loose Diamonds - Buyer's guide for jewelry, specializing in round brilliant cut stones.

Better Business Bureau - Unbiased advice on buying and repairing gold, silver, and gemstone jewelry.

Jewelers of America - Advice on buying fine jewelry.