enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. 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 ...

3. Diamond cut - Wikipedia

   en.wikipedia.org/wiki/Diamond_cut

   A diamond cut is a style or design guide used when shaping a diamond for polishing such as the brilliant cut. Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous. In order to best use a diamond gemstone ...

4. List of jewellery types - Wikipedia

   en.wikipedia.org/wiki/List_of_jewellery_types

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more

5. Carat (mass) - Wikipedia

   en.wikipedia.org/wiki/Carat_(mass)

   Diamonds. The carat ( ct) is a unit of mass equal to 200 mg (0.00705 oz; 0.00643 ozt ), which is used for measuring gemstones and pearls . The current definition, sometimes known as the metric carat, was adopted in 1907 at the Fourth General Conference on Weights and Measures, [1] [2] and soon afterwards in many countries around the world.

6. Diamond clarity - Wikipedia

   en.wikipedia.org/wiki/Diamond_clarity

   Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions, and surface defects, called blemishes. Clarity is one of the four Cs of diamond grading, the others being carat, color, and cut . Inclusions are solids, liquids, or gases that were trapped in ...

7. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [80] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...