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2. G. E. M. Membership Department Stores - Wikipedia

   en.wikipedia.org/wiki/G._E._M._Membership...

   G.E.M. G. E. M. Membership Department Stores was a chain of discount stores, in the US and Canada. Their first location opened in Denver in 1956. GEM offered something different: membership. The qualifications included government-, religious- and school employees, members of the armed forces, and employees of companies that did “substantial ...

3. List of jewellery types - Wikipedia

   en.wikipedia.org/wiki/List_of_jewellery_types

   This list of jewellery types is a listing of most types of jewellery made. ... Medical alert jewelry; Membership pin; Military dog tags; Pledge pins; Prayer jewelry

4. Brilliant (diamond cut) - Wikipedia

   en.wikipedia.org/wiki/Brilliant_(diamond_cut)

   A brilliantis a diamondor other gemstonecutin a particular form with 57-58 facetsso as to have exceptional brilliance. The underside is conical, a shape that provides maximal light return through the top of the diamond. Even with modern techniques, the cutting and polishing of a diamond crystalalways results in a dramatic loss of weight; rarely ...

5. 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 ...

6. Diamond cut - Wikipedia

   en.wikipedia.org/wiki/Diamond_cut

   A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous. In order to best use a diamond gemstone ...

7. Cut (gems) - Wikipedia

   en.wikipedia.org/wiki/Cut_(gems)

   Cut (gems) A decorative glass crystal about 4 cm (1.6 in) in diameter, having a facet cut often applied for gemstones. At some positions, coloured light (see rainbow colouring) can be regarded caused by the intended optical prism effect of the cut. A gemstone desired to be used in jewelry is cut depending on the size and shape of the rough ...

8. Diamond cutting - Wikipedia

   en.wikipedia.org/wiki/Diamond_cutting

   Diamond cutting is the practice of shaping a diamond from a rough stone into a faceted gem. Cutting diamonds requires specialized knowledge, tools, equipment, and techniques because of its extreme difficulty. The first guild of diamond cutters and polishers (Diamantaire) was formed in 1375 in Nuremberg, Germany, [1] and led to the development ...

9. 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 ...