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Do you know anything about diamonds?


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Rosalia's presentation from Senior 6

Published in: Education, Lifestyle, Business
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Do you know anything about diamonds?

  1. 1. This is a small sample of what youve alwayswanted to know about diamonds (or not ...)
  2. 2. FACTS ABOUT DIAMONDS The Diamond is the hardest substance known to man and it is made of a crystallized carbon that has unique powers of light reflection.
  3. 3. FACTS ABOUT DIAMONDS• Since diamonds are composed of a single element, they are the purest of all gemstones.
  4. 4. DIAMOND HISTORY The Greek word "Adamas" meaning unconquerable and indestructible is the root word of diamond.
  5. 5. DIAMOND HISTORY The first river-bed diamonds were probably discovered in India, in around 800 B.C. The volcanic source of these diamonds was never discovered, but the alluvial(1) deposits were rich enough to supply most of the world’s diamonds.(1)the formation of new land by deposition of sediment by the sea or a river.
  6. 6. DIAMOND HISTORY In 1477, Archduke Maximilian of Austria gave a diamond ring to Mary of Burgundy, thus beginning the tradition of diamond engagement rings. The reason a woman wears it on the third finger of her left hand dates back to the Egyptian belief that the “vena amoris” (vein of love) ran directly from the heart to the top of that finger.
  7. 7. THE VALUE OF A DIAMOND: THE FOUR C’S Cut (Shape ): The cut is the factor that determines the brilliance of a diamond. A classic round brilliant cut diamond has 58 facets. There are twelve popular cuts of diamonds.
  8. 8. SHAPE AND CUT The principal shapes of diamond. Round Princess Emerald Asscher Oval Trillion Marquise Heart
  9. 9. THE VALUE OF A DIAMOND: THE FOUR C’S Colour: Colourless and near-colourless diamonds are the most valuable. Though most diamonds may appear colourless to the naked eye, the majority of diamonds contain slight traces or yellow or light brown when viewed under a jewellers loupe. There are diamonds of all the colours.Very yellow Red diamond Intense green Deep yellow Black Brown yellow
  10. 10. THE VALUE OF A DIAMOND: THE FOUR C’S Carat Weight: a Carat is a standard unit of weight for diamonds. Carats are divided into points. There are 100 points to a carat.
  11. 11. THE VALUE OF A DIAMOND: THE FOUR C’S Clarity: The clarity of a diamond is based on the inclusions found in the stone. The fewer inclusions the diamond has; the clearer, more brilliant and more expensive the diamond will be.
  12. 12. Quality of diamonds (Classification of 19 producer countries) Sort alphabetically Sort by better quality  Angola ooooo  Angola ooooo  Australia oo  Namibia ooooo  Botswana oooo  Russia ooooo  Brazil oo  South Africa oooo  Canada ooo  Botswana oooo  Central African Rep. ooo  China oooo  China oooo  Sierra Leone oooo  Dem. rep. of Congo ooo  Canada ooo  Ghana ooo  Central African Rep. ooo  Guinea ooo  Guinea ooo  Guyana oo  Lesotho ooo  Lesotho ooo  Dem. Rep. of Congo ooo  Liberia o  Tanzania ooo  Namibia ooooo  Venezuela ooo  Russia ooooo  Australia oo  Sierra Leone oooo  Brazil oo  South Africa oooo  Ghana oo  Tanzania ooo  Guyana oo  Venezuela ooo  Liberia o
  13. 13. FAMOUS DIAMONDS The Blue Hope: 45.52 carats The Centenary: 273.85 carats The Cullinan Diamonds: 3.106 carats (rough) The Dresden Green: 41 carats The Idol’s Eye: 79.20 carats The Koh-I-Noor: 105.60 carats The Orlov 300: carats (rough) The Regent: 140.50 carats The Sancy: 55 carats The Taylor-Burton: 69.42 carats
  14. 14. FAMOUS DIAMONDSThe Blue Hope The Centenary The Cullinan The Dresden Green The Idol’s EyeThe Koh-I-Noor The Orlov The Regent The Sancy The Taylor-Burton
  15. 15. DIAMONDS AND SOCIAL CUSTOMS Diamonds have always been part of engagement proposals and wedding ceremonies. The Diamond is the birthstone of April and the anniversary gemstone for the 10th and 60th years of marriage.
  16. 16. FAMOUS QUOTATIONS “A diamond is a chunk of coal that is made good under pressure” -Henry Kissinger “Diamonds are a girl’s best friend and a man’s worst enemy!” –Author Unknown
  17. 17. And finally...