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.
Charles and Colvard Created Moissanite
Facts about the company's lab created Moissanite. Includes photos of individual gemstones and finished jewelry.
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.
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.
The 4C's of Diamonds
Explains cut, clarity, carat weight and color.
Jewelers of America
A collection of advice about buying many types of fine 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.
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.
World's Largest Diamonds
Photographs and historical background for some of the world's largest known diamonds.
Diamond Tutorials.com - About Diamonds
Consumer's guide on buying loose gemstones, rings and engagement bands. Talk forum and quotes.
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.
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.
Idazzle.com
Provides basic information to help familiarize buyers with the qualities they should look for when searching for a diamond.
Diamond Legend
Details about famous, legendary, and celebrity diamonds, as well as diamonds mentioned in poetry.
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.
The Center for Jewelry Studies Discussion Board
Forum where visitors can discuss the history, identification, and marketing of antique, period, and vintage jewelry.
Diamond.com - Learning Center
Educational materials to help buyers select and care for diamonds, watches and other jewelry.
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.
CanadaDiamonds.com
Diamond basics, covering the 5 C's--carat weight, color, clarity, cut and cost.
About Jewelry and Accessories
Provides facts to help consumers evaluate and purchase gemstones, jewelry, watches and related accessories.
Diamond Treatments
An explanation of the treatments commonly used to improve the appearance of a diamond. Additional links lead to more facts about diamonds.
JadeMart.com
An explanation of the different grades of jade used in jewelry, with tips to help buyers distinguish between them.
Soyouwanna Buy an Engagement Ring
Multi-page article that offers engagement ring buying advice.
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.
Emporia State University - Everything about Diamonds
A tutorial about the history and characteristics of diamond. Includes facts about diamond mining.
Diamond Cutters International
Educational articles to help consumers choose a diamond.
Diamond Engagement Rings Guide
Provides information on choosing and buying diamonds and engagement rings online or in jewelry stores. Offers email newsletter.
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.
Igloo Diamonds
Igloo offers details about the history of Canadian diamond mining and what's required for diamond certification in that country.
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.
Casio G2300 "Anniversary Edition" G-Shock Watch Review
Review points out some issues in design and operation.
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.