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  2. How to Sell Gold Jewelry When Prices Hit Historic High

    www.aol.com/sell-gold-jewelry-price-nears...

    An 18K gold piece is about 75 percent pure gold and 10K gold is just more than 41%. So the higher the karat weight, the more money you will get. What is the Best Way to Sell Old Gold Jewelry?

  3. 7 Antique Items From the 1700s That Are Worth Thousands of ...

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    Those are some of the reasons that antique items from the 1700s can command high prices. ... It includes 18k gold, rose cut diamonds and senailles. It’s not that big, only coming in at 2.76 by 1 ...

  4. File:Gold Spot Price per Gram from Jan 1971 to Jan 2012.svg

    en.wikipedia.org/wiki/File:Gold_Spot_Price_per...

    English: This chart shows the nominal price of gold along with the price in 1971 and 2011 dollars (adjusted based on the consumer price index). The historical gold price was obtained from www.igolder.com; CPI was obtained from www.rateinflation.com. The data is in section Chart Data.

  5. How to Spot The Best Vintage Jewelry in Thrift Stores ... - AOL

    www.aol.com/spot-best-vintage-jewelry-thrift...

    For example, 10k, 14k, and 18k mean 10-carat, 14-carat, and 18-carat gold, and 925 indicates sterling silver. You may also see a maker’s mark, which provides information on who made the piece ...

  6. Colored gold - Wikipedia

    en.wikipedia.org/wiki/Colored_gold

    Pink gold uses the least copper, followed by rose gold, with red gold having the highest copper content. Examples of the common alloys for 18K rose gold, 18K red gold, 18K pink gold, and 12K red gold include: [3] 18K red gold: 75% gold, 25% copper; 18K rose gold: 75% gold, 22.25% copper, 2.75% silver; 18K pink gold: 75% gold, 20% copper, 5% silver

  7. Fineness - Wikipedia

    en.wikipedia.org/wiki/Fineness

    For example, knowing that standard 18-karat yellow gold consists of 75% gold, 12.5% silver and the remaining 12.5% of copper (all by mass), the volume of pure gold in this alloy will be 60% since gold is much denser than the other metals used: 19.32 g/cm 3 for gold, 10.49 g/cm 3 for silver and 8.96 g/cm 3 for copper.