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.
Diamond Review Diamond buying guide includes a price database, diamonds tutorial, and diamond FAQ.
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.
DiaInfo.com Information to help make shoppers aware of simulated stones and of diamonds that might have received undisclosed treatments to improve their appearance.
Guide2jewelry Buying tips and facts about diamonds, colored gemstones, pearls, and jewelry.
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.
Buy a Diamond Diamond buying advice. Includes facts about the origins of diamonds and how the stones progress from rough to cut.
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.
Diamond Info.org Buying tips and educational guidance for diamonds and diamond engagement rings. Includes a community forum.
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.
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.
Idazzle.com Provides basic information to help familiarize buyers with the qualities they should look for when searching for a diamond.
Colored Gemstones The International Colored Gemstone Association (ICA) provides consumer buying advice and educational details about colored gemstones.
Enchanted Learning An illustrated glossary, including terms that describe fine and costume jewelry, gemstones, and jewelry making.
Jewelry Buying Advice Provides information to help consumers evaluate and purchase gemstones, jewelry, watches and related accessories. From About.com.
JadeMart.com An explanation of the different grades of jade used in jewelry, with tips to help buyers distinguish between them.
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.
PriceScope Includes numerous diamond tutorials and buying tips, a discussion forum, and a cut advisor.
The Jewelry Box Newsletter Features tips on buying diamonds and jewelry, gemstone facts and cleaning silver.
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.
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.
LoveAndDiamonds.com Diamond engagement rings buying guide includes a diamonds tutorial as well as related articles and resources.
JewelInfo4U Informational site with articles by volunteer editors from the jewelry industry. Includes articles on gemstones, buying guides, help for men, and common questions.
