American Gem Trade Association: The natural colored gemstone and cultured pearl source of information and ideas.
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.
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.
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.
Buy a Diamond: Diamond buying advice. Includes facts about the origins of diamonds and how the stones progress from rough to cut.
CanadaDiamonds.com: Diamond basics, covering the 5 C's--carat weight, color, clarity, cut and cost.
Colored Gemstones: The International Colored Gemstone Association (ICA) provides consumer buying advice and educational details about colored gemstones.
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.
DiaInfo.com: Information to help make shoppers aware of simulated stones and of diamonds that might have received undisclosed treatments to improve their appearance.
Diamond Info.org: Buying tips and educational guidance for diamonds and diamond engagement rings. Includes a community forum.
Diamond Information and Education: Learn and discuss about diamonds and diamond jewelry through education tutorials,articles, chat, forums and informative FAQ's
Diamond Review: Diamond buying guide includes a price database, diamonds tutorial, and diamond FAQ.
Emporia State University - Everything about Diamonds: A tutorial about the history and characteristics of diamond. Includes facts about diamond mining.
Enchanted Learning: An illustrated glossary, including terms that describe fine and costume jewelry, gemstones, and jewelry making.
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.
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.
Guide2jewelry: Buying tips and facts about diamonds, colored gemstones, pearls, and jewelry.
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.
Idazzle.com: Provides basic information to help familiarize buyers with the qualities they should look for when searching for a diamond.
JadeMart.com: An explanation of the different grades of jade used in jewelry, with tips to help buyers distinguish between them.
Jewelers of America: A collection of advice about buying many types of fine jewelry.
JewelInfo4U: Informational site with articles by volunteer editors from the jewelry industry. Includes articles on gemstones, buying guides, help for men, and common questions.
Jewelry Buying Advice: Provides information to help consumers evaluate and purchase gemstones, jewelry, watches and related accessories. From About.com.
LoveAndDiamonds.com: Diamond engagement rings buying guide includes a diamonds tutorial as well as related articles and resources.
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.
PriceScope: Includes numerous diamond tutorials and buying tips, a discussion forum, and a cut advisor.
Promise Rings: Learn their meanings, history, traditions, current practices and where to buy them.
RingDesigner.com: Describes the 4Cs of diamonds (cut, clarity, carat and color) and some information about certification.
Soyouwanna Buy an Engagement Ring: Multi-page article that offers engagement ring buying advice.
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.
The Jewelry Box Newsletter: Features tips on buying diamonds and jewelry, gemstone facts and cleaning silver.
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.