Answer Natural Pearls
Natural pearls are proven to be the most expensive type of pearl. The Baroda pearls, for example recently sold at auction for more than $7 million. But natural pearls like this are extremely rare and are primarily for collectors. Today, cultured pearls are what people see at jewelry stores around the world. Cultured Pearls
Cultured pearls are produced by implanting a mother-of-pearl bead and a piece of mantle tissue into the gonad of a host marine mollusk, or by grafting a piece of mantle tissue from a donor mussel into the mantle muscle of a host freshwater mussel. There Are Four Main Types Of Cultured Pearls
There are four varieties of cultured pearl commonly on the market today. These are; South Sea, Tahitian, akoya and freshwater. Other types exist, such as Cortez or Cultured abalone blister, but the aforementioned varieties make up the large majority of pearls available to the consumer. * South Sea Pearls: South Sea pearls are the most valuable type of cultured pearl on the market today. These pearls are grown in the Pinctada maxima(gold-lip and silver-lip pearl oyster) primarily in Australia, the Philippines, and Indonesia. They come in white, silver, cream and gold. They can grow very large- up to 20+ mm. * Tahitian Pearls: Tahitian pearls are the second most valuable variety of cultured pearl. They are grown in the Pinctada margaritifera(black-lip pearl oyster) in French Polynesia. This mollusk is also used in the Cook Islands, Fiji, Micronesia, the Marshalls and several others, but if grown outside of French Polynesia the pearls are referred to as black South Sea. * Akoya Pearls: Akoya pearls are the third most valuable variety of cultured pearl. Akoya pearls are grown in the Pinctada fucata martensii and Pinctada fucata chemnitzii varieties of mollusk, also known as the akoya pearl oyster. The primary areas of production are China, Japan, South Korea, Vietnam and Australia. * Freshwater Pearls: The fourth and least valuable of all cultured pearls (on an average relative basis) are cultured freshwater pearls. Freshwater pearls have been cultured since the 1920s, starting in Lake Biwa, Japan. Today, freshwater perliculture is limited to China, and to a very small extent Lake Kasumigaura in Japan. Freshwater pearls are cultured primarily in the Hyriopsis cumingi (triangle shell), Hyriopsis schlegeli (Biwa pearly mussel), a hybrid of the two, and the Cristaria plicata (cockscomb) freshwater mussels.
Answer The most expensive of all pearls are natural pearls. These are very rare, however, and most jewelers and consumers will never see a natural pearl in their lifetime. A double strand of pearls known as The Baroda Pearls recently sold at auction for more than $7 million. Today, people buy and sell cultured pearls. There are four main varieties of cultured pearls and their cost/value is listed below from highest to lowest. 1. South Sea Pearls $$$$2. Tahitian Pearls $$$3. Akoya Pearls $$4. Freshwater Pearls $
Usually precious opal is more expensive than a pearl of the same weight. But this all depends on quality. A high quality precious opal with high fire is usually much more expensive than most pearls. Most pearls being the common cultured freshwater or salt water pearls. However, rare pearls like natural saltwater pearls and conch pearls are very expensive and can be worth more than decent quality opal of the same weight.
It is most likely that the pearls were white as black pearls are very rare and expensive. Juliette's pearls were so valuable because they were matched: matched pearls means that the pearls "fit together" in a pleasing manner, and that variations among them are either minimal, gradual, or for a specific purpose.
If you are on a budget then freshwater cultured pearls are the ones that you should consider buying. Production of these pearls is so large, which is why they are affordable. The reason they are abundant is that each mollusk produces dozens of pearls, unlike some others, which only grow one pearl per shell. However, in terms of the most expensive; the price can run into thousands of dollars and depend on the source.
All factors being equal, sea (saltwater) pearls are always more valuable than Freshwater pearls. However, a large, top quality Freshwater pearl can easily be more expensive than a small, low quality saltwater-cultured pearl. High luster, thick coating, smooth surface, minimal blemishes, large size, fascinating colors, and symmetrically shaped pearls are the most valuable. So it is not always the category of pearls, but the quality of the pearl that determines the price.
Almost all freshwater pearls in the world wide market today are fresh water culture pearls from China. They are generally less expensive than similar sized Cultured pearls that are grown in Saltwater, but not always. There are effectively no natural pearls on the market, and there have not been many on the world wide market for at least the last 100 years.
Majorica Pearls are faux pearls from the Spanish island of Mallorca, yet they are expensive due to the way in which they are manufactured. It takes several weeks to produce these "pearls" and they are all hand-made. The are created by dipping glass beads in an essence d'orient solution comprosed primarily of fish scales. Each pearl has to meet strict quality standards and guidelines in order to make it onto a piece of jewelry.
Freshwater pearls are grown in mussels living in rivers and lakes. These days, most pearls formed in freshwater come from China. However, most pearls, whether saltwater or freshwater, are cultivated, not natural. This means that a small piece of mollusk tissue or a bead was placed into the mollusk, which covered it with nacre – the material pearls are actually made of.
If a pearl is deemed Freshwater pearl, chances are, it is real. Freshwater pearls are the most affordable pearls available. If the pearls are described as faux, shell pearls, imitation, or anything other than cultured Freshwaters, then they are fake. More and more vendors are popping up selling shell pearls. Pearls that are described as "shell pearls" are not real. They are made from a compound of ground up shell and are faux pearls.
Answer There is no simple answer to this question as it really depends on the type of pearl you are discussing. The most common types of pearls are cultured akoya and cultured freshwater. Neither of these are naturally produced in a black coloration. Black akoya and freshwater attain their coloration from aniline organic dyes or cobalt-60 irradiation. Natural black pearls are known as black South Sea, Tahitian or Cook Island pearls. They are produced by the Pinctada margaritifera black-lip mollusk. These naturally black pearls grow quite large are are typically more valuable than akoya or freshwater pearls. The most valuable of all pearls are those grown in the Pinctada maxima or silver and gold-lip mollusk. These pearls are usually very larger and expensive, and come in colors of white, white with pink overtone, champagne, silver, yellow and gold.
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