The website GoldPriceOz.com maintains an up-to-date listing of the current market value of 1 ounce of 24 karat gold. GoldCalc.com features a calculator tool that allows users to estimate how much the scrap gold they have on hand is worth.
If the gold jewelry does not have a stamp or marking indicating its karat, there is chemical testing that can determine the karat or purity of the gold. A jeweler can perform this testing, and kits are available for home use that are fairly accurate.
The major difference between 10- and 14-karat gold is the amount of gold contained in each. They are both considered gold alloys, which means a mixture of gold and other metals. Pure gold is 24 karats; 10-karat gold contains 10 parts gold and 14 parts other metals; 14-k...
The ounces of gold present in 1-karat gold depends directly on the weight of the sample because a karat is a ratio, not a measurement of weight. A piece of 18-karat gold contains 18 parts gold and 6 parts other metals, as described by Zales.
The price of 10-karat gold is available on CoinApps.com and GoldPriceOz.com. Both sites are regularly updated to display the most recent price of 10-karat gold per ounce.
One easy way of checking the up-to-date price of an ounce of 24-karat gold is to check the live gold price charts on websites specializing in trading precious metals such as Kitco.com. Gold prices are quoted in increments of troy ounces in 100 percent pure gold. Determi...
Pure 24-karat gold jewelry is offered from websites such as Overstock, Etsy and eBay. However, 24-karat gold is considered too soft to be used in jewelry, so it is commonly alloyed with various metals to increase the strength.