0 62 ct natural red ruby unheated gemstone. Gem encyclopedia gia s gem encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. A gemstone identification report is issued by a trained gemologist and summarizes the results of scientific testing of the gemstone. Engage in webinars on the most diverse and pressing issues in gemology today including gemstone origin laboratory grown stones and new discoveries in field gemology. The gemological institute of america gia evaluates gemstones on the basis of their weight shape measurement cut colour and clarity.
No gia does not certify appraisers. 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. The gia certification confirms the authenticity and quality of a gem. Are there gia certified appraisers. Make offer 3 83 ct natural unheated dark blue sapphire tanzania oval gemstone.
The cut color clarity carat weight country of origin treatment or lack thereof dimensions species. On the other hand an appraisal is an attempt to estimate the financial value of the item and is issued by an appraiser who may or may not be certified. An appraisal is a legal document and an appraiser should have specialized training in this area. This ensures complete authenticity of the planetary gemstone and complete transparency for the end customer. Free shipping on many items.
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Each gemstone gets certified independently by a registered reputable and accredited gem lab. Sunstone plagioclase feldspar from ethiopia. Provided below are some samples of certificates authenticating the gemstones we provide. Each precious stone page features additional detailed gemological information a buyer s guide photos videos research. Gia teaches students how to identify gemstones and grade diamonds but we do not teach them how to write appraisals.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. They perform a thorough analysis and scrutinize whether the gemstones are natural treated or synthetic. The world s foremost authority in gemology established in 1931 gia protects the public through gemological research education impartial gem identification and grading services and instrument development. Founded in february 15 1931 gia s mission is to protect all buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality. Diamond 4cs and gemstone information.
Diamond 4cs and gemstone information. 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. Each gemstone gets certified independently by a registered reputable and accredited gem lab. The cut color clarity carat weight country of origin treatment or lack thereof dimensions species. No gia does not certify appraisers.
Founded in february 15 1931 gia s mission is to protect all buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality. 0 62 ct natural red ruby unheated gemstone.
