Though pearls, natural or cultured, are rare jewels created within a living creature, their value is determined in much the same way as other precious gems. When it comes to valuing a necklace, pearl necklaces do not have to be a mystery. Pearl experts recommend examining a genuine Mikimoto under 10X magnification and then looking at other pearls in the same way. Even the A+ and the A grades have wonderful reflective qualities but are more blemished than those graded higher. Learn what to expect and how to shop at these huge annual January…While measuring nacre isn’t always possible, you can get a good idea of its thickness by the quality of a pearl’s luster and orient.Darker colors are apparently due to dark conchiolin in the core of a pearl showing through the thin layers of aragonite crystals.The more light a pearl’s surface reflects and the sharper its reflections, the higher its luster. The most common body colors include blue, red, purple, violet, yellowish, and green. They are then transferred to cages between seven and ten feet under water. Semi-round pearls (also called off-round or near-round) are slightly imperfect spheres.

Even today, they’re extremely rare and can command a ransom. As with everything, demand is an issue. Considering that pearls are organic in origin, it is to be expected that they will rarely have perfect surfaces; a perfect pearl is nearly priceless.Certification of a Mikimoto pearl necklace or brooch is straightforward, because the manufacturer includes a grading certificate with each piece.
These markings must be perpendicular to the axis of rotation and cover more than a third of the surface.After this “surgery,” the oysters convalesce in a “hospital” for four to six weeks.


The Quartzsite gem shows attract gemologists and rock hounds from around the world.

The 7 Pearl Value Factors as Described by GIA Size - Pearl size is stated in millimeters and the value of larger pearls is typically greater than the value of smaller pearls. In addition to rounds and drops, you may come across stick pearls, button pearls, seed or rice pearls, etc.Pearls are measured in millimeters, grains, and mommes. One momme is 75 jewelers grains, or 18.75 carats. What is the value of a natural American pearl? In the 1950's, 60's and 70's a typical size for cultured pearls was 4mm to 6mm.

The value of a pearl can vary dramatically depending on many factors, such as pearl type, size, color, surface quality, and more.A wild pearl will be worth more than a cultured pearl.So, how much are pearls worth?To keep it short, on average, a pearl’s value ranges from $300 to $1500. Kokichi Mikimoto, an oyster farmer, developed the idea of perfecting the production of cultured pearls. She has published short stories, essays in anthologies and periodicals.

A necklace from this era with large pearls was either fake or vastly expensive.

Pearl value is determined based on whether it’s a natural pearl vs cultured pearl. Symmetry is a secondary factor. All pearls are graded based on their luster, nacre thickness, shape, surface quality, color, and size. These are nearly as reflective but may have very slight imperfections. Larger pearls take longer to grow and are more difficult to produce in better qualities.

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