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  2. Fineness - Wikipedia

    en.wikipedia.org/wiki/Fineness

    It is an extension of the older karat system of denoting the purity of gold by fractions of 24, such as "18 karat" for an alloy with 75% (18 parts per 24) pure gold by mass. The millesimal fineness is usually rounded to a three figure number, particularly where used as a hallmark , and the fineness may vary slightly from the traditional ...

  3. Colored gold - Wikipedia

    en.wikipedia.org/wiki/Colored_gold

    The highest karat version of rose gold, also known as crown gold, is 22 karat. Amongst the alloys made of gold, silver, and copper, the hardest is the 18.1 K pink gold (75.7% gold and 24.3% copper). An alloy with only gold and silver is the hardest at 15.5 K (64.5% gold and 35.5% silver).

  4. Gold medal - Wikipedia

    en.wikipedia.org/wiki/Gold_Medal

    A gold medal is a medal awarded for highest achievement in a non-military field. Its name derives from the use of at least a fraction of gold in form of plating or alloying in its manufacture. Since the eighteenth century, gold medals have been awarded in the arts, for example, by the Royal Danish Academy of Fine Arts , usually as a symbol of ...

  5. 15 Best Places To Sell Your Gold for Cash

    www.aol.com/15-best-places-sell-gold-145103625.html

    Keep reading to find out how to sell gold and get the highest possible payouts. ... Gold is typically measured in karats, with 24-karat gold being the purest form. Jewelry is often made from 18k ...

  6. Gold coin - Wikipedia

    en.wikipedia.org/wiki/Gold_coin

    Gold coins for sale at the Dubai Gold Souk. A gold coin is a coin that is made mostly or entirely of gold.Most gold coins minted since 1800 are 90–92% gold (22‑karat), while most of today's gold bullion coins are pure gold, such as the Britannia, Canadian Maple Leaf, and American Buffalo.

  7. 5 Most Expensive Pieces of Jewelry Ever Owned — Where Are ...

    www.aol.com/finance/5-most-expensive-pieces...

    At 12.03 carats, it cost the aspiring father-of-the-year — felon status notwithstanding — over $48 million, setting a record for the highest price per carat ever paid for a diamond of any color.