Different sizes of pearl match with different people. So you may ask what size of pearl is the best. It depends on many variables. Here we got some suggestions or in formations of different sizes of pearls, please check the following references:

5.5 mm-6 mm Pearls with this size belongs to small size pearls and are traditionally worn by girls aged at 12 to 16 or those women who are very small. Girls with these pearls look lovely and elegant.

6.0-6.5 mm This size of pearl is the perfect gift for graduations or 16th birthdays. They are traditionally worn by young women aged at 16 to 24.

6.5 mm-7.0 mm A strand of this size is considered the “starter” set for women in their mid 20s or up. It is the traditional present for birthday, Christmas and Valentine’s Day. Ladies or young women often receive these gifts from their husbands or male friends.

7.5 mm-8.0 mm This size of pearl, is traditionally worn by women aged 30 and up, is the strand for the upwardly mobile woman. Not too flashy, 8mm is big enough to give an air of importance. This size is a traditional wedding or anniversary gift through the fifth year of marriage.

8.0 mm-8.5 mm These pearls have a relatively large size, so they tend to be more expensive, so they are traditionally worn by women aged 35 and up, and often signify financial success.

8.5-9.0mm – It is said that Jackie Kennedy wore this size of pearl. Impressive and glamorous, successful and powerful women wouldn’t be seen without this size of pearls! A very special occasion gift and it screams ‘I love you’ when bestowed by your man.

9.0-9.5mm – For those ladies who are 'pearlaholics', this size exudes sophistication and good taste. Goes well with a BMW X5.

9.5-10.0mm – A favourite size of Barbara Bush and for most cultured pearls, the largest size normally available. For the Managing Director, Chairwomen and those ladies driving Aston Martins!

Measurement of pearls counts lot for the exact size of a peal jewelry. The diameter of every pearl is measured in millimeters, varying from 2 to 20mm and rounded off to the nearest 0.5mm. Pearls in strands are measured differently. Measurements are taken perpendicular to the drill holes and expressed in half-millimeter ranges, for example, 6 to 6.5 millimeters. A Strand labeled as a 7.5mm strand will be comprised of 7.0mm - 7.5mm pearls, with the smaller pearls being placed near the clasp. If the differential in the strand is greater than 0.5mm, the strand is considered graduated.