Pearl Sizes

Pearl sizing varies widely depending on the type of pearl that is being evaluated. Generally, the smallest pearls are available in Akoya cultured pearls, where you can find natural cultured pearls as small as 2.0 millimeters in diameter. Akoya pearls usually have a maximum size range of approximately 9.5 to 10.0 millimeters in size. While Akoya pearls have the smallest range of sizes, freshwater pearls usually fall in the mid-size range with pearls ranging from 6.0 millimeters to approximately 12.0 millimeters. Freshwater pearls larger than 12.0 millimeters are extremely rare and hard to find.

The largest pearl sizing is available through South Sea pearls, where the largest and highest quality pearls are available. South Sea pearls include numerous types of pearls including Black Tahitian South Sea Pearls, Golden South Sea Pearls, and White Australian South Sea Pearls. South Sea pearls usually start at approximately 8.0 millimeters in diameter and have a maximum range of 20.0 millimeters at times. South Sea pearls with sizes of 14.0mm a nd above are extremely rare, and high quality pearls in that size range can costs thousands per pearl.

The Most Popular Size Pearl Necklaces and Earrings

Before we go any farther, you should know that the most popular, classic and versatile pearl necklaces are in the 7.0-8.0mm size range. The 7.0-8.0mm size range is widely acknowledged to be the "go-anywhere" size, perfect for nights out, office wear or even a quick trip to the grocery store in a T-shirt and jeans.

This size range is also age-appropriate for ladies from 16 years old up through women in their 50's, so these are necklaces that will be worn and enjoyed for many, many years. 

Each Pearl types their sizes are quite different: 

Freshwater Pearls

It is important to understand that the size of cultured pearls is depended upon factors like the timeframe of staying underwater, climate, plankton’s nutritional quality, etc. The bigger the size of the pearl, the more valuable it is going to be in the market. On the other hand, the shape is dependent upon nothing but the randomness of our natural world. Some of the shapes and sizes that cultured pearls come in include a spherical, semi-spherical, button, drop pearls, oval pearls, etc. 

Akoya Pearls

Size: There’s a particular size range that these pearls come in, large sizes may seem superior but matched ones always take the cake. Akoya Pearls come in sizes ranging from 3.0 to 9.5 mm and are selected according to size rather than the weight of the pearls to ensure their value.

Tahitian Pearls

This Black Pearl is available in different sizes. The most common variety of sizes include 8 mm to 9 mm. It is the average size. However, 15 to 16 mm pearls are also pretty common. But the most popular size of these Tahitian pearls is 9 to 10 mm, which is mostly used in jewelry options. 12 to 13 mm size is also popular among people, but it is difficult to find. Also, the greater the size is, the more the price will be. So you have to choose the dress size according to the budget you have.

Golden South Sea Pearls

The oyster that produces the pearls often constructs the cultured pearls in much larger sizes and of exclusive quality. The extremely large pearls are quite rare today, but the approximate size of the pearls measures up to 20-21mm.
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