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2. Golconda diamonds - Wikipedia

   en.wikipedia.org/wiki/Golconda_diamonds

   Golconda diamonds are mined in the Godavari-Krishna delta region of Andhra Pradesh, India. Golconda Fort in the western part of modern-day Hyderabad was a seat of the Golconda Sultanate and became an important centre for diamond enhancement, lapidary, and trading. Golconda diamonds are graded as Type IIa, are formed of pure carbon, are devoid ...

3. Cullinan Diamond - Wikipedia

   en.wikipedia.org/wiki/Cullinan_Diamond

   Cullinan V is an 18.8-carat (3.76 g) heart-shaped diamond set in the centre of a platinum brooch that formed a part of the stomacher made for Queen Mary to wear at the Delhi Durbar in 1911. The brooch was designed to show off Cullinan V and is pavé-set with a border of smaller diamonds.

4. Jewels of Mary I of England - Wikipedia

   en.wikipedia.org/wiki/Jewels_of_Mary_I_of_England

   Mary's jewels included, an "H and K" with a large emerald and a large pearl pendant, a gold whistle in the form of a mermaid, her torso enameled white and her tail of mother-of-pearl, with bracelets and "habiliments". [45] Mary received another whistle from the Jewel House on 3 December 1554 which was joined to a dragon set with emeralds. [46]

5. Diamond (gemstone) - Wikipedia

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

   Neither of these changes makes the diamond appear any larger, and both greatly reduce the sparkle of the diamond. (A poorly cut 1.0-carat (200 mg) diamond may have the same diameter and appear as large as a 0.85-carat (170 mg) diamond.) The depth percentage is the overall quickest indication of the quality of the cut of a round brilliant ...

6. Tiffany Yellow Diamond - Wikipedia

   en.wikipedia.org/wiki/Tiffany_Yellow_Diamond

   The Tiffany Yellow Diamond is one of the largest yellow diamonds ever discovered. Its carat weight was originally 287.42 carats (57.484 g) in the rough when discovered in 1878 in the Kimberley mine in South Africa. It was cut into a cushion shape of 128.54 carats (25.108 g) with 82 [1] facets—24 more than a traditional round brilliant—to ...

7. Diamond - Wikipedia

   en.wikipedia.org/wiki/Diamond

   Diamonds can be sold already set in jewelry, or sold unset ("loose"). According to the Rio Tinto, in 2002 the diamonds produced and released to the market were valued at US$9 billion as rough diamonds, US$14 billion after being cut and polished, US$28 billion in wholesale diamond jewelry, and US$57 billion in retail sales. [108]