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12988 resources
Facts about opal include chemical make-up, buying advice, cutting and polishing basics, and opal care. Includes photos of different types of opals.
Five-part, illustrated guide that discusses the origin of natural Moissanite and explains how it is being created in the lab today.
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.
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.
Provides basic information to help familiarize buyers with the qualities they should look for when searching for a diamond.
An illustrated glossary, including terms that describe fine and costume jewelry, gemstones, and jewelry making.
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.
The natural colored gemstone and cultured pearl source of information and ideas.
Informational site with articles by volunteer editors from the jewelry industry. Includes articles on gemstones, buying guides, help for men, and common questions.
Discusses certification, shapes, grade, and other diamond related topics. Also includes precious metal guides.
Offers articles discussing jewelry terminology, pricing, quality measures.