On average, real pearls are valued between $300 and $1,500. The value of pearls depends on a number of factors including their color, size, luster, shape and variety.
Real pearls, also called natural pearls, have not been altered or synthetically made. The three main types of pearls found on the market are Akoya, freshwater and south sea pearls.
The most valuable real pearls are white with a rose undertone, a perfect round shape and have few or no blemishes. Similar to diamonds and other precious gemstones, the value of pearls also goes up with the size. The easiest way to tell a natural pearl from a synthetic pearl is to gently rub it against a tooth. If it feels gritty, it is likely a real pearl.Learn More
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There are several ways someone can tell real crystal from glass, including determining the weight. Crystal weighs more than glass, so if the object is heavier, it is likely crystal.Full Answer >
According the Professional Guide to Gemstone Values, as of March 2014, amethysts are worth between $7.00 and $70.00, depending on color and carat weight. In general, the darker the color, the higher the value.Full Answer >
All silver, plate, fill, sterling and fine tarnishes when its alloy metal, copper, is exposed to chlorides and sulfurs in the air. Argentium sterling silver is the most tarnish resistant because it contains more pure silver and the metalloid germanium replaces some of the copper used as an alloy in it.Full Answer >