In 1916, Kikichi Mikimoto harvested the first large lot of cultured akoya pearls in Ago Bay, Japan. These Akoya were in contrast to any the world had known. These were whole pearls with a mother-of-pearl nucleus developed by a culturing method referred to as grafting. A small bead was put into the host oyster’s reproductive organ plus a small bit of donor mantle tissue – the catalyst of pearl sac creation and nacre deposition – the development of a pearl.

Nowadays akoya pearls are still a well liked staple in every single woman’s precious jewelry selection and the most popular kind of pearl sold at fine precious jewelry stores around the world. They provide flawlessly round shape, sharp original appeal, and amazing white entire body colors with tips of rose and sterling silver overtones.

Choosing a fine strand can be very tricky, however. Not in contrast to diamonds, the standard of a strand determines its beauty, sturdiness, and ultimately its price. Customers require to understand the Gemological Institution of America’s (GIA) five worth aspects developed in 1967, and employed to assess the quality of an akoya pearl. These are dimension, form, original appeal, nacre thickness, and surface area.


Akoya pearls are frequently fairly little. The average dimension is 7 millimeters in diameter, and also the average princess duration is 17 to 18 inches. Most fall in to the dimension range of three mm to as large as 10 millimeters. When all the other value factors are steady, larger akoya pearls are more beneficial.


Whilst form is a crucial worth manifestation of other kinds of cultured pearls like freshwater and Tahitian, akoya pearls are usually really circular. This is because of the flawlessly spherical bead inserted into the oyster. Nacre is transferred around the bead and many akoya pearl production is circular consequently. Other designs like symmetrical drops and baroques do occur, but circular pearls are thought much more valuable.


Luster will be the measure of quality and volume of light demonstrated through the surface of any pearl. Akoya pearls are known for their sharp original appeal and reflection much like the top of a looking glass. The sharper and much more vibrant the reflection, the greater beneficial the pearl. Luster is an essential worth aspect to think about when purchasing a strand of Cultured Pearls.

Nacre Thickness

The nacre density of the akoya pearl is very important. Today’s pearl industry is overrun in what is famous within the trade as “brief culture” akoya pearls. These pearls have been harvested too early and you should not have an adequate coating of nacre more than their mother-of-pearl bead. These pearls are normally found on eBay as well as in fashion jewelry shops for very low costs. But the warning is the fact these pearls is not going to last, neither are they going to exhibit a sharp metallic shine. Luster and durability are immediately correlated towards the pearl’s nacre density.


Cultured pearls are the only organically created gemstones on earth. They do not need to be cut or refined to show away their beauty, so each is going to be as distinctive being a snowflake, demonstrating several types of growth characteristics. These growth characteristics, regardless of how little or how large, are referred to as inclusions or imperfections. Simply because all cultured pearls display some form of development characteristic the united states Federal Industry Commission payment has disallowed the utilization of the term “flawless” when describing cultured pearls.

Even though development characteristics are globally evident in cultured pearls, the level of these qualities is assessed within the surface area quality of your akoya pearl. When other grading aspects are consistent, the less blemishes or inclusions visible for the naked eye, the greater beneficial the pearl.

A – AAA Grading System

Even though a globally accepted grading program for cultured akoya pearls will not currently exist, there does really exist in the business very best exercise standards which use a grading system of A – AAA and hanadama.

A strand of hanadama quality pearls is just one that has been licensed from the Pearl Science Lab of Japan as demonstrating the highest quality traits with regards to shape, original appeal, surface, and nacre thickness.

In order to have an akoya strand to be rated AAA all worth aspects must fall within the top five percent in the quality criteria. AAA grade strands are seen as the very best, non-hanadama certified strands on the planet.

A strand or pearl not conference the criteria of AAA is one that falls flat to arrive at the top 5 percent of each one of the quality requirements. A grade of AA will mean the strand drops inside the top 20 percent, as well as a quality of AA would then mean the strand falls among grades AA and AAA.


There is a quickly-diminishing debate on cultured akoya pearl source and its connection to high quality and value. It had been as soon as thought that only those from China had been the best high quality and many valuable. Nowadays it really is well known that akoya pearls are also produced in Southern Korea, China, Vietnam, and even Melbourne. Pearls from Melbourne and The far east happen to be found to have heavier nacre than their Japanese alternatives, and therefore are often of better general quality. Source is not really a worth aspect used to Black Pearls.

By comprehending the value aspects associated with cultured akoya pearls, a purchaser can make an informed decision when picking the perfect strand. The first step is to find a retailer that is aware of the elaborate aspects of tsiruv pearl grading and abides from the strictest standards. This may most often become a retailer which specializes in pearls and definately will use a big choice of various sizes and grades for quick comparison.

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