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2. Gemological Institute of America - Wikipedia

   en.wikipedia.org/wiki/Gemological_Institute_of...

   Website. www .gia .edu. The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to ...

3. Jewelers Row District - Wikipedia

   en.wikipedia.org/wiki/Jewelers_Row_District

   Jewelers Row District. Coordinates: 41°52′56″N 87°37′34″W. The Haskell-Barker-Atwater Buildings at 20, 22 & 28 Wabash Avenue are part of the Jewelers Row District, as well as being designated Chicago Landmarks themselves. The Jewelers Row District is a historic district in the Loop community area of Chicago, Illinois in the United States.

4. 35 East Wacker - Wikipedia

   en.wikipedia.org/wiki/35_East_Wacker

   Opal Holdings, LLC. 35 East Wacker, also known as the Jewelers' Building, [5] is a 40-story 523 ft (159 m) historic building in the Loop community area of Chicago, Illinois, United States, located at the intersection of Wabash Avenue and East Wacker Drive, facing the Chicago River. It was built from 1925 to 1927, and was co-designed by Joachim ...

5. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including ( clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or ...

6. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light—giving the diamond its characteristic "fire"—make it useful for industrial applications and desirable as jewelry. Diamonds are such a highly traded commodity ...

7. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

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