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  2. Queen Marie of Romania Sapphire - Wikipedia

    en.wikipedia.org/.../Queen_Marie_of_Romania_Sapphire

    Queen Marie wearing the sapphire as a pendant at her coronation, 15 October 1922. Cartier first mentioned this 478.68 carat (95.736 g) Cornflower blue Ceylon sapphire in 1913 when it was used with seven other sapphires to make a diamond and sapphire sautoir. The design was later altered to be all diamond, save this gemstone, to make it stand out.

  3. Sapphire - Wikipedia

    en.wikipedia.org/wiki/Sapphire

    In October 2014, Sotheby's Hong Kong achieved consecutive per-carat price records for Kashmir sapphires – first with the 12.00 carat Cartier sapphire ring at US$193,975 per carat, then with a 17.16 carat sapphire at US$236,404, and again in June 2015 when the per-carat auction record was set at US$240,205. [39]

  4. Sunrise Ruby - Wikipedia

    en.wikipedia.org/wiki/Sunrise_Ruby

    The Sunrise Ruby greatly surpassed the previous record holder, the Graff ruby ring, which sold for US$8.6 million in November 2014. [ 4 ] [ 12 ] Its record-setting price has been attributed to the rapid increase in prices for coloured gemstones and public auctions, with figures often "rivaling the performance of the much-sought-after colored ...

  5. Cartier (jeweler) - Wikipedia

    en.wikipedia.org/wiki/Cartier_(jeweler)

    [18] [19] [20] During that time, Louis Cartier also pioneered the use of platinum in jewelry, a breakthrough innovation that enabled more intricate and delicate settings. The strength of platinum allowed for nearly invisible settings, putting the spotlight on diamonds and gemstones, and giving Cartier's creations a distinct elegance that ...

  6. Love bracelet (Cartier) - Wikipedia

    en.wikipedia.org/wiki/Love_bracelet_(Cartier)

    Cartier has offered the Love bracelet in 18k yellow gold, 18k "pink" (rose) gold, 18k white gold, and in platinum. Platinum has since been discontinued. Some bracelets are offered with diamonds in place of or in rotation with the screw-motif. Ceramic details and special colored precious gems have been offered as well.

  7. Hierarchy of precious substances - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_precious...

    The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...

  8. Taylor–Burton Diamond - Wikipedia

    en.wikipedia.org/wiki/Taylor–Burton_Diamond

    The Taylor–Burton Diamond, a diamond weighing 68 carats (13.6 g), became famous in 1969 when it was purchased by actors Richard Burton and Elizabeth Taylor.Burton had previously been the underbidder when jeweller Cartier bought the diamond at auction for $1,050,000, setting a record price for a publicly sold jewel.

  9. Diamonds as an investment - Wikipedia

    en.wikipedia.org/wiki/Diamonds_as_an_investment

    Rough diamond prices have historically been impacted by the mining companies controlling supply, most notably De Beers. However, after the dismantling of the De Beers cartel in 2001, the industry is now more fragmented, resulting in a higher percentage of diamond sales taking place in the form of auctions and other forms of open-market sales.