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2. Hope Diamond - Wikipedia

   en.wikipedia.org/wiki/Hope_Diamond

   That amount, plus the reported sale to the King, would have totaled about 720,000 livres, half the price of Tavernier's initial estimate for the gem. [34] There has been controversy regarding the actual weight of the stone: Morel believed that the 112.1875-carat (22.43750 g; 0.791460 oz) [ 5 ] stated in Tavernier's invoice would be in old ...

3. 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 ...

4. Gemological Institute of America - Wikipedia

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

   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 evaluate gemstone quality.

5. 'Antiques Roadshow': diamond and ruby jewelry worth a fortune

   www.aol.com/news/2014-08-12-antiques-roadshow...

   Well, today, that 3-piece set is valued between $400,000-$450,000. According to The Daily Mail, rubies are the most expensive gems per carat on earth! To get your hands on some rubies and/or ...

6. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

   Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 v

7. Jewelry Television - Wikipedia

   en.wikipedia.org/wiki/Jewelry_Television

   Jewelry Television is an American television network specializing in the sale of jewelry. On-air and online, the network is mainly branded by its jtv initials in lower-case letters . It has an estimated reach of more than 80 million U.S. households, through cable and satellite providers, online streaming and limited over-the-air broadcasters.