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2. Diamond (gemstone) - Wikipedia

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

   Diamond[ a] is a gemstone formed by cutting a raw diamond. 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 ...

3. Tiffany & Co. - Wikipedia

   en.wikipedia.org/wiki/Tiffany_&_Co.

   Tiffany & Co. was founded in 1837 by Charles Lewis Tiffany and John B. Young, [ 15] in New York City, as a "stationery and fancy goods emporium", with the help of Charles Tiffany's father, who financed the store for only $1,000 with profits from a cotton mill. [ 16] The store initially sold a wide variety of stationery items and, as of 1837 ...

4. 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 ...

5. Gemporia - Wikipedia

   en.wikipedia.org/wiki/Gemporia

   Gemporia US (formerly known as Rocks TV) is a former American reverse auction jewellery shopping channel which formerly was carried on American cable and satellite providers. The channel was launched on July 12, 2012, as Rocks TV, and operated from the United Kingdom from Gemporia's studios in Redditch, sharing Gems TV personnel.

6. Jewellery - Wikipedia

   en.wikipedia.org/wiki/Jewellery

   Jewellery (or jewelry in American English) consists of decorative items worn for personal adornment, such as brooches, rings, necklaces, earrings, pendants, bracelets, and cufflinks. Jewellery may be attached to the body or the clothes. From a western perspective, the term is restricted to durable ornaments, excluding flowers for example.

7. Birthstone - Wikipedia

   en.wikipedia.org/wiki/Birthstone

   They also replaced December's lapis with zircon and switched the primary/alternative gems for March. The American Gem Trade Association added tanzanite as a December birthstone in 2002. [ 5 ] In 2016, the American Gem Trade Association and Jewelers of America added spinel as an additional birthstone for August. [ 6 ]

8. Luminous gemstones - Wikipedia

   en.wikipedia.org/wiki/Luminous_gemstones

   The first theme is using legendary luminous gems to illuminate buildings, for navigation lights on ships, or sometimes as guiding lights for lost persons (Ball 1938: 498–500). In India, the earliest country in which fine gemstones were known, belief in luminous gems dates back some twenty-five centuries.

9. Gemology - Wikipedia

   en.wikipedia.org/wiki/Gemology

   Examining a pink sapphire under a gemmological microscope. Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a specific interdisciplinary branch of mineralogy. Some jewelers (and many non-jewelers) are academically trained gemologists and are qualified to identify and evaluate gems. [ 1][ 2]