Not only is the water itself rather hard on the piece, but most swimming pools are treated with chemicals that will cause permanent damage to the piece, if not ruin completely. When buying diamond jewelry like engagement rings, earrings, necklaces and bracelets, knowing the 4 C of diamonds is important. The 4 C include: Cut, Clarity, Color and Carat. Some jewelers also like to add a fifth C graduation certificate and report on the quality of diamonds in your piece of jewelery.When you look diamonds, it is important that you look at them while they were sitting against a black background. You may see color differently and choose a diamond does not really what you're looking for. Make sure to look at it under a magnifying glass so you will of seen any defects it may have. Make sure the gold in a piece of jewelry you buy is real. Many fake gold jewelery trying to sell as real gold, and do not want to pay good money for fake gold.To tell if it is true, use a magnet. Not real gold stick to a magnet, so if it sticks, then it is false. When it comes to caring for your jewelry be sure that you use only mild cleaning solutions when cleaning it. This will ensure you do not compromise the structural integrity of your jewelry as well as not causing further damage such as surface discoloration. When in doubt, look for jewelry cleaning products are safe when shopping.Those who wear jewelry may have bought it to be a little difficult because they have to decide what to buy out of different types using the tips provided in the article above, you should find it easier to buy jewelry. Integration Into Your Jewelry Vintage Jewelry Wardobe. As fun as planning to buy or sell your own jewelery appear, you will need to do some research first and to avoid losing a lot of money.