When.com Web Search

  1. Ads

    related to: color of diamond diagram

Search results

  1. Results From The WOW.Com Content Network
  2. Diamond color - Wikipedia

    en.wikipedia.org/wiki/Diamond_color

    Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms

  3. Diamond - Wikipedia

    en.wikipedia.org/wiki/Diamond

    Yellow diamonds of high color saturation or a different color, such as pink or blue, are called fancy colored diamonds and fall under a different grading scale. [ 36 ] In 2008, the Wittelsbach Diamond , a 35.56-carat (7.112 g) blue diamond once belonging to the King of Spain, fetched over US$24 million at a Christie's auction. [ 60 ]

  4. Lozenge (shape) - Wikipedia

    en.wikipedia.org/wiki/Lozenge_(shape)

    u+25c8 white diamond containing black small diamond A lozenge ( / ˈ l ɒ z ɪ n dʒ / [ 1 ] LOZ -inj ; symbol: ), often referred to as a diamond , is a form of rhombus . The definition of lozenge is not strictly fixed, and the word is sometimes used simply as a synonym (from Old French losenge ) for rhombus .

  5. Diamond cut - Wikipedia

    en.wikipedia.org/wiki/Diamond_cut

    If two diamonds of equal weight are inspected there can be a noticeable difference in size when viewed from above; arguably the most important view. A well-cut 0.90ct diamond, for example, could have the same width as a poorly cut 1.00ct diamond. This phenomenon is known as spread. Cut also affects the color of a diamond.

  6. Material properties of diamond - Wikipedia

    en.wikipedia.org/wiki/Material_properties_of_diamond

    If the N atoms are in pairs or larger aggregates, they do not affect the diamond's color; these are Type Ia. About 98% of gem diamonds are type Ia: these diamonds belong to the Cape series, named after the diamond-rich region formerly known as Cape Province in South Africa, whose deposits are largely Type Ia. If the nitrogen atoms are dispersed ...

  7. Category:Diamond colors - Wikipedia

    en.wikipedia.org/wiki/Category:Diamond_colors

    Individual diamonds by color (6 C) Pages in category "Diamond colors" The following 6 pages are in this category, out of 6 total.