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Há 5 dias · A Tradition Of Science and Education. Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry.
- Professional Gem Education | Gemology School – GIA
We offer the finest gem and jewelry education in the world...
- Garnet Description - GIA
Garnets are a set of closely related minerals that form a...
- Professional Gem Education | Gemology School – GIA
Há 5 dias · And of all the 4Cs, it is the most complex and technically difficult to analyze. The GIA Cut Grading System for the standard round brilliant diamond evaluates seven components. The first three, brightness, fire, and scintillation, consider the diamond's overall face-up appearance. The remaining four, weight ratio, durability, polish, and ...
Há 3 dias · Diamonds, known for their unrivaled hardness and dazzling brilliance, are the most coveted gemstones in the world. Composed entirely of carbon atoms arranged in a crystal lattice, diamonds exhibit exceptional durability and optical properties. Emerald Cut diamond with a finished weight of 142.90 carats. These precious stones range from ...
Há 3 dias · Diamond Carat Weight. Diamond carat weight is the measurement of how much a diamond weighs. A metric "carat" is defined as 200 milligrams. Each carat can be subdivided into 100 'points.'. This allows very precise measurements to the hundredth decimal place. A jeweler may describe the weight of a diamond below one carat by its 'points' alone.
Há 4 dias · Rapaport Magazine Relaunches as a Jewelry-Centric Publication. For the first time in the history of Rapaport Magazine, the Price List and diamond data are splitting off from the jewelry content. Along with this month’s issue, subscribers will receive a new data report, as well as a special report sponsored by RDI Diamonds on the future of the ...
