Diamond Review

Diamond buying guide includes a price database, diamonds tutorial, and diamond FAQ.
http://www.diamondreview.com/

How Stuff Works: Moissanite Jewels

Five-part, illustrated guide that discusses the origin of natural Moissanite and explains how it is being created in the lab today.
http://www.howstuffworks.com/moissanite.htm

Guide2jewelry

Buying tips and facts about diamonds, colored gemstones, pearls, and jewelry.
http://www.guide2jewelry.com/

World's Largest Diamonds

Photographs and historical background for some of the world's largest known diamonds.
http://www.worlds-largest-diamonds.com/

Diamond.com - Learning Center

Educational materials to help buyers select and care for diamonds, watches and other jewelry.
http://www.diamond.com/learncenter.asp?Sn=98592638&fn=_learncenter_home.htm

The House of Tibara

Facts about opal include chemical make-up, buying advice, cutting and polishing basics, and opal care. Includes photos of different types of opals.
http://www.opal-tibara.com/

Charles and Colvard Created Moissanite

Facts about the company's lab created Moissanite. Includes photos of individual gemstones and finished jewelry.
http://www.moissanite.com/

Evaluating a Diamond: Color

Use this information to learn how diamond color is judged. Includes visuals to aid understanding. Also discusses factors that affect color perception.
http://www.diamondexpert.com/articles/color.html

DiaInfo.com

Information to help make shoppers aware of simulated stones and of diamonds that might have received undisclosed treatments to improve their appearance.
http://www.diainfo.com/

YourGemologist.com

A reference library covering natural gemstones and minerals, synthetic and treated gems. Also offers resources for people who would like to pursue a career in gemology.
http://www.YourGemologist.com/

Buy a Diamond

Diamond buying advice. Includes facts about the origins of diamonds and how the stones progress from rough to cut.
http://www.buyadiamond.net/

The 4C's of Diamonds

Explains cut, clarity, carat weight and color.
http://shopandbuydirect.com/diamonds.htm

Jewelers of America

A collection of advice about buying many types of fine jewelry.
http://www.jewelers.org/ja_consumer/fineinfo.html

Ask Mr. Jewelry

Photos and buying advice for diamonds and other gemstones. Includes traditional birthstone and anniversary lists and articles to help consumers make gemstone selections.
http://www.askmrjewelry.com

Diamond Info.org

Buying tips and educational guidance for diamonds and diamond engagement rings. Includes a community forum.
http://www.diamondinfo.org

Costellos Australian Jewelers

Jewelry store that offers educational articles to give consumers the facts about the products they sell. Library of articles about diamonds, pearls, and opals.
http://www.costellos.com.au

Diamond Tutorials.com - About Diamonds

Consumer's guide on buying loose gemstones, rings and engagement bands. Talk forum and quotes.
http://www.diamondtutorials.com/

Gemological Institute of America (GIA)

A nonprofit organization that offers gemstone identification and buying advice to consumers and training to those in the jewelry trade. The GIA provides lab services to the jewelry industry.
http://www.gia.edu

Diamond Buying Guide

Details to help shoppers select and buy a diamond. Topics include diamond grades and diamond quality, and a quiz helps shoppers determine if they've mastered the information.
http://www.thediamondbuyingguide.com/

Idazzle.com

Provides basic information to help familiarize buyers with the qualities they should look for when searching for a diamond.
http://www.idazzle.com/

Diamond Legend

Details about famous, legendary, and celebrity diamonds, as well as diamonds mentioned in poetry.
http://www.diamond-legend.info

Colored Gemstones

The International Colored Gemstone Association (ICA) provides consumer buying advice and educational details about colored gemstones.
http://www.gemstone.org/index_gemsite.html

Enchanted Learning

An illustrated glossary, including terms that describe fine and costume jewelry, gemstones, and jewelry making.
http://www.enchantedlearning.com/jewel/

The Center for Jewelry Studies Discussion Board

Forum where visitors can discuss the history, identification, and marketing of antique, period, and vintage jewelry.
http://www.center4jewelrystudies.org/board/?topic=topic1

Gem Gallery - The Image.com

Photos of gemstones, each accompanied by a description of the gem's properties and where it is commonly found. Includes instructions for close-up gem photography.
http://www.theimage.com/gemstone/gemstone.html

CanadaDiamonds.com

Diamond basics, covering the 5 C's--carat weight, color, clarity, cut and cost.
http://www.canadadiamonds.com/diamond_tutorials.htm

About Jewelry and Accessories

Provides facts to help consumers evaluate and purchase gemstones, jewelry, watches and related accessories.
http://jewelry.about.com

Diamond Treatments

An explanation of the treatments commonly used to improve the appearance of a diamond. Additional links lead to more facts about diamonds.
http://www.nexxdesign.com/stones/diamond_treatments.htm

JadeMart.com

An explanation of the different grades of jade used in jewelry, with tips to help buyers distinguish between them.
http://www.jademart.com

Soyouwanna Buy an Engagement Ring

Multi-page article that offers engagement ring buying advice.
http://www.soyouwanna.com/site/syws/ring/ring.html

Antique Jewelry Online

Jewelry history features take readers through the popular styles during specific eras. Also includes gemstone lore and articles about materials used to make jewelry.
http://www.antiquejewelryonline.com/learn/learn.htm

PriceScope

Includes numerous diamond tutorials and buying tips, a discussion forum, and a cut advisor.
http://www.pricescope.com/tutor_cert.asp

Emporia State University - Everything about Diamonds

A tutorial about the history and characteristics of diamond. Includes facts about diamond mining.
http://www.emporia.edu/earthsci/amber/go340/diamond.htm

Diamond Cutters International

Educational articles to help consumers choose a diamond.
http://www.diamondcuttersintl.com/

The Jewelry Box Newsletter

Features tips on buying diamonds and jewelry, gemstone facts and cleaning silver.
http://www.jewelrynewsletter.com

Promise Rings

Learn their meanings, history, traditions, current practices and where to buy them.
http://www.promise-rings.info/

RingDesigner.com

Describes the 4Cs of diamonds (cut, clarity, carat and color) and some information about certification.
http://www.ringdesigner.com/Pages/Understanding_Diamonds.htm

The Guide to Buying Fine Jewelry Online

Provides information on how to choose, buy and care for fine jewelry, from diamonds, pearls, precious gems, semiprecious gemstones, platinum, yellow and white gold to sterling silver.
http://www.anyamani.com

Better Business Bureau (BBB)

Provides a description of traditional jewelry metals, diamonds, and pearls, and includes advice to help consumers make decisions when buying and repairing jewelry.
http://www.bbb.org/alerts/article.asp?ID=441

American Gem Trade Association

The natural colored gemstone and cultured pearl source of information and ideas.
http://agta.org

Diamond Information and Education

Learn and discuss about diamonds and diamond jewelry through education tutorials,articles, chat, forums and informative FAQ's
http://www.diamondchatforum.com

LoveAndDiamonds.com

Diamond engagement rings buying guide includes a diamonds tutorial as well as related articles and resources.
http://www.loveanddiamonds.com/

Jewelry Pearls

Discussion forum for gemstones and precious metals. Includes birthstones, astrological, and anniversary considerations.
http://www.jewelry-pearls.com

Name on Rice Jewelry Online Buying Guide

Read reviews, ratings, and comparisons of numerous online "Name on Rice" jewelry web sites in the online buyer's guide.
http://www.nameonricejewelry.com