Here are some quick guides on how to purchase the perfect pearl necklaces .

Pearls are classified into four types namely, the Akoya pearls , the Tahitian pearls, the south sea pearls and the fresh water pearls. The pearls grown in oceans are considered more valuable as they are very rarely found and have a good luster. Among the four pearls mentioned above, the Akoya pearls are the most popular. Akoya pearls are attractively round in shape and have mirror like looks with rich colors.

The quality of pearls is considered to have the highest, considering with any other gemstones. The quality of pearls are measured as A, AA, AA+ and AAA. The best quality and the most valuable pearls of them are AAA . The 'A' quality pearl, which have the same size with and 'AAA' quality pearls cost only small amount.

There are certain criteria to measure the value and the quality of a pearl. Deciding the right pearl to buy on criteria such as luster, nacre, color, shape and size are very important. One can buy according to his or her preference.

Nacre : Most of the people are aware of its nacre thickness while buying a pearl. Nacre is the coating produced by a pearl oyster, which covers the pearl's nucleus. Experts always prefer thicker pearls with thickness, which exceeds 0.4mm.

Luster : The amount of light reflected from the surface of a pearl is known as its luster. Most people prefer pearls with high luster with a smooth surface.

Surface : Always choose a pearl, which has smooth surface and mirror-finish, as these qualities are considered more valuable.

Color : Color depends totally on the choice of the person buying it. It is always advisable to buy a pearl, which matches the color of your skin and your dress.

Shape : Always select round pearl with smooth surface as it is considered valuable. However, they are quite expensive.

Matching : Identical pearls are very hard to find as they have high market demands. Necklace made from identical pearls are quite expensive and are not easy to find. Always search for the matching one if you want to buy perfect pearl necklaces .