Professional jewelers can instantly judge the size of a pearl just looking at it. But pearls are normally measured in millimeters through their diameters. Pearls come in various sizes generally from 2mm to 24mm but the most popular sizes are between 6mm to 8mm. Lower sizes does not mean they are always cheaper than the larger ones because a very good quality small size pearl may command a higher price than the lower quality of 8mm size or more.

Sizes 6mm-7mm are generally preferred by young girls and are very popular. Sizes 7mm-8mm are equally popular in demand and are preferred choice by many working women and professionals alike. Size 8mm or bigger usually are in higher price range and very good choice for career women and go very well with evening wear. But again, it all depends upon individual choice, taste, style and above all affordability.

Therefore, size alone is never a sole factor when it comes to buying. The color, quality and the type of pearls such as Freshwater pearls, Akoya seawater pearls, Tahitian pearls or South Sea pearls are also important things to consider.

Pearl sizes shown here in millimeters are approximate.

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