The gia certification confirms the authenticity and quality of a gem. For polished rough loose or mounted natural ruby sapphire emerald paraíba tourmaline red spinel and alexandrite only. Offering online and on campus education diamond grading and identification services and scientific instruments. Gem encyclopedia gia s gem encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information a buyer s guide photos videos research.
About gia certified gemstone jewelry. Kashmir intensely saturated and velvety rare sapphires from kashmir set the standard for blue. Gia s guide to gemstones. Locations in los angeles and carlsbad california as well as new york city. Sapphire is the birthstone for september and the gem of the 5th and 45th anniversaries.
Make offer 3 01 ct natural bluish green indicolite tourmaline unheated scissor cut gem gia gg certified appraised chrome green tourmaline 1 2ct 5x7mm emerald cut 119 95. Colored stone identification origin report. The certified gemstone is most desired over a valuation appraisal because this gem is usually going to be sold and a buyer may want a report on the gem. We teach using the latest research technology and time tested skills while instilling the importance of professional integrity in our students. They perform a thorough analysis and scrutinize whether the gemstones are natural treated or synthetic.
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The positive aspect of using a certified laboratory is the lab constantly looks at new gem finds new testing techniques new treatment techniques and use the latest laboratory equipment needed. A nonprofit educational resource for the gem and jewelry industry. The gemological institute of america gia evaluates gemstones on the basis of their weight shape measurement cut colour and clarity. The positive aspect of using a certified laboratory is the lab constantly looks at new gem finds new testing techniques new treatment techniques and use the latest laboratory equipment needed. Make offer 3 01 ct natural bluish green indicolite tourmaline unheated scissor cut gem gia gg certified appraised chrome green tourmaline 1 2ct 5x7mm emerald cut 119 95.The gemological institute of america gia evaluates gemstones on the basis of their weight shape measurement cut colour and clarity. About gia certified gemstone jewelry. The gia certification confirms the authenticity and quality of a gem.
