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/ Opal-tibara.com~Site InfoWhoisTrace RouteRBL Check
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/ Diainfo.com~Site InfoWhoisTrace RouteRBL Check
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/ Yourgemologist.com~Site InfoWhoisTrace RouteRBL Check
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/ Buyadiamond.net~Site InfoWhoisTrace RouteRBL Check
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 Askmrjewelry.com~Site InfoWhoisTrace RouteRBL Check
Diamond Info.org Buying tips and educational guidance for diamonds and diamond engagement rings. Includes a community forum. http://www.diamondinfo.org Diamondinfo.org~Site InfoWhoisTrace RouteRBL Check
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 Costellos.com.au~Site InfoWhoisTrace RouteRBL Check
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 Gia.edu~Site InfoWhoisTrace RouteRBL Check