what is the difference between akoya freshwater and cultured pearls?
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The main differences between cultured freshwater pearls and akoya pearls are the culturing process, the nucleus, the shape and the value. ... An akoya oyster can generally be inserted 1 to 2 times with a shell bead and tissue piece into its gonad. Freshwater pearls are much easier to farm than akoya pearls.
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Tahitian South Sea cultured pearls are native to the French Polynesian area. Exotic South Sea pearls from the Black-lipped oyster, Pinctada margaritifera, are more commonly known as Tahitian South Sea pearls. ... Unlike the more common pearl types, Tahitian South Sea pearls typically have a naturally dark body colour.
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Depending on their size and quality, a strand of Tahitian pearls can cost from $500 to more than $25,000. Akoya pearls are the classic round, white pearls. They were the first pearls ever to be farmed, and are a little bit smaller. A strand of Akoya pearls can cost from $300 to more than $10,000.
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Natural pearls are more expensive than cultured pearls because natural pearls are harder to find. Nearly all pearls sold in the world today are cultured. Cultured pearls have a stable supply and are more affordable, which is why most jewelers prefer to sell cultured pearls.
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Saltwater pearls, which include akoya, Tahitian and South Sea, are grown in bays, inlets and atolls in many places around the world. Saltwater pearls are considered more valuable than freshwater pearls, although rare and very high-quality freshwater pearls can be exceedingly valuable.
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Saltwater pearls have a thinner nacre coating, ranging from 0.5mm to 6mm. Freshwater pearls, on the other hand, are made almost entirely of nacre. The reason for this difference is that the core piece (the one around which the nacre forms) inserted in freshwater pearls is a lot smaller than that put in saltwater ones.
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Cultured Akoya and Freshwater pearls are graded according to Surface Quality, Luster, and perfection of Shape (roundness and symmetry). Akoya pearls are also graded on Nacre Thickness, which is a visual inspection completed by the grader rather than via x-ray analysis.
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Both natural and cultured pearls have textured surface due to their layered nacre structure. So when you rub the pearls lightly against each other or on your front teeth, they feel a little gritty. Fake or imitation pearls, however, usually feel smooth or glassy.
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Are cultured pearls considered real pearls? Cultured pearls are considered real pearls – but they aren't formed without human intervention. Most pearls available on the market today are cultured.
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Rub the pearls to check surface feel Both natural and cultured pearls have textured surface due to their layered nacre structure. So when you rub the pearls lightly against each other or on your front teeth, they feel a little gritty. Fake or imitation pearls, however, usually feel smooth or glassy.
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Akoya pearls, unless color-treated, have neutral colors and overtones. Most pearls are white to grey, with pink, green, or silver overtones. Occasionally, akoya pearls are blue with silver and pink overtones, but these colors are extremely rare.
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South Sea pearls are cultured using a large, white-lipped oyster, hand-selected from the waters of the South Pacific. The oyster is about twice the size of the Akoya pearl oyster and produces much larger pearls. These luxurious pearls are cultured in Australia, Indonesia, the Philippines, Myanmar, Japan and Thailand.
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Freshwater Pearls. Our round Freshwater cultured pearls make an excellent, affordable gift of good quality pearls. As opposed to rice-shaped Freshwater pearls, these pearls are mostly round, and look very similar to Akoya pearls when worn, but are available for a much lower price.
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All black Akoya pearls are dyed. The term 'black' is actually a bit of a misnomer in that usually they take on a more midnight-blue-black or greenish-black cast to them that is instantly recognizable once you've handled them a few times.
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Pearls are made by marine oysters and freshwater mussels as a natural defence against an irritant such as a parasite entering their shell or damage to their fragile body. The oyster or mussel slowly secretes layers of aragonite and conchiolin, materials that also make up its shell.
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Dyed Akoya pearls Black freshwater and Akoya pearls are always dyed, as these never form in nature. The only truly dark pearls on the market are Tahitian and Sea of Cortez pearls (these are extremely rare that you won't often come across them).
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Freshwater pearls are mantle-tissue nucleated by inserting a tiny piece of mantle tissue directly into mantle tissue of a freshwater mussel, whereas akoya pearls are bead-nucleated by inserting a mother-of-pearl bead and a piece of mantle tissue into the gonad of akoya oyster.