Vintage Cultured Pearl Bracelet with Pink Topaz Coboshon

Vintage Cultured Pearl Bracelet with Pink Topaz Coboshon .



Vintage Cultured Pearl Bracelet with Pink Topaz Coboshon

PRESENTING one of the FINEST pieces from our Fine Jewelry Collection…………a Vintage Cultured Pearl Bracelet with Pink Topaz Coboshon

This piece is a Vintage pieces …. probably circa 1935.

It does not bear a makers mark but was UNDOUBTEDLY made by one of the very best jewelers of the time.

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It is marked for 14k yellow gold.

The Bracelet has a 14k gold chasp and setting. It is set with a GLORIOUS vintage cultured pearls in one strand.The central setting is 14k yellow gold and inset with a coboshon cut Pink Topaz.

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A cultured pearl is a pearl created by an oyster farmer under controlled conditions. Cultured pearls can be farmed using two very different groups of bivalve mollusk: the freshwater river mussels, and the saltwater pearl oysters.

A pearl is formed when the mantle tissue is injured by a parasite, an attack of a fish or another event that damages the external fragile rim of the shell of a mollusk shell bivalve or gastropod. In response, the mantle tissue of the mollusk secretes nacre into the pearl sac, a cyst that forms during the healing process. Chemically speaking, this is calcium carbonate and a fibrous protein called conchiolin. As the nacre builds up in layers of minute aragonite tablets, it fills the growing pearl sac and eventually forms a pearl.

Natural pearls are formed by nature, more or less by chance. On the other hand, cultured pearls are human creations formed by inserting a tissue graft from a donor oyster, upon which a pearl sac forms, and the inner side precipitates calcium carbonate, in the form of nacre or "mother-of-pearl". The most popular and effective method for creating cultured pearls are made from the shells of freshwater river mussels harvested in the midwestern states of the U.S., from Canada to the Gulf of Mexico. Shells with the common names, "Washboard" "Maple Leaf" "Ebony" "Pimpleback" and "Three Ridge" are popular for use in pearl culture due to their compatibility with the host animal, and the nacre they are to be covered by. These high-quality and sought-after shells are first sliced into strips and then into cubes. The edges and corners are ground down until they are a roughly spherical and then milled to become perfectly round, and brought to a highly polished finish.

After the nucleus is ready, the next step is obtaining the mantle tissue. The mantle tissue is harvested from one oyster and cut into small pieces. After obtaining the mantle tissue from the first oyster it is time to operate on the second animal. The oyster is placed in warm water to relax the animal. Then it is gently pried open and mounted in a stand to be operated on. A small incision is made and the nucleus is inserted along with a small piece of mantle gland. The oyster is then placed back in the water and allowed over several years to coat the nucleus with nacre. The nucleus is coated in many layers of this nacre, so that when pearls are cut in half, visible layers can be seen.

The cultured pearls on the market today can be divided into two categories. The first category covers the beaded cultured pearls, including Akoya, South Sea,Tahiti and modern big freshwater pearls(called Edison Pearl).These pearls are gonad grown, and usually one pearl is grown at a time. This limits the number of pearls at a harvest period. The pearls are usually harvested after one year for akoya, 2–4 years for Tahitian and South Sea, and 2–7 years for freshwater. This perliculture process was first developed by the British biologist William Saville-Kent who passed the information along to Tatsuhei Mise and Tokichi Nishikawa from Japan.[1] The second category includes the non-beaded freshwater cultured pearls, like the Biwa or Chinese pearls. As they grow in the mantle, where on each wing up to 25 grafts can be implanted, these pearls are much more frequent and saturate the market completely. An impressive improvement in quality has taken place in the last ten years when the former rice grain-shaped pebbles are compared with the near round pearls of today. In the last two years large near perfect round bead nucleated pearls up to 15mm in diameter have been produced with metallic luster.

The nucleus bead in a beaded cultured pearl is generally a polished sphere made from freshwater mussel shell. Along with a small piece of mantle tissue from another mollusk (donor shell) to serve as a catalyst for the pearl sac, it is surgically implanted into the gonad (reproductive organ) of a saltwater mollusk. In freshwater perliculture, only the piece of tissue is used in most cases, and is inserted into the fleshy mantle of the host mussel. South Sea and Tahitian pearl oysters, also known as Pinctada maxima and Pinctada margaritifera, which survive the subsequent surgery to remove the finished pearl, are often implanted with a new, larger beads as part of the same procedure and then returned to the water for another 2–3 years of growth.

Link: https://en.wikipedia.org/wiki/Cultured_pearl

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This is a STUNNING piece of Vintage Jewelry of the HIGHEST QUALITY !

 

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Vintage Cultured Pearl Bracelet with Pink Topaz Coboshon .

The piece cost the private collector from New York a substantial sum in the 1970's.

It was purchased by her from a Fine Jeweler based in Manhattan and Long Island.

This jeweler would visit her at her home in Long Island on a weekly basis to show her fine pieces that she may have been interested in purchasing.

This is why she collected such a FINE RANGE OF HIGH QUALITY AND RARE JEWELRY.

If you are the type of person that likes to acquire ONLY THE FINEST THINGS and in particular jewelry that would have been fit to grace any of the top jewelry houses in the World, then this (and the Collections many other pieces) is for you !

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KINDLY PLEASE NOTE:

For Security Reasons and because of the value of this (and all our other jewelry) WE DO NOT KEEP ANY JEWELRY AT OUR SHOWROOMS.

All our jewelry is held in a safety deposit box in a Dallas Bank.

It is for this reason, that we require any interested buyer to:

(1) contact us in advance, giving 48 hours notice of a potential viewing,

(2) clearly indicate the piece or pieces they are interested in viewing, and

(3) agree on a mutually agreeable viewing 'venue', suitable and secure for any such viewing.

In the event of agreeing to purchase........possession of the piece will not be given over to the purchaser until such time as 'funds' have FULLY CLEARED in our Bank Account.

PERSONAL & INTERNET SALES: The onus is entirely on the buyer to verify the authenticity of the piece and its description by us.

We have used our best endeavors to describe the items correctly, based on the information provided to us.

In some cases, we will provide the buyer with a professional Certificate of Authenticity and appraisal report.

Where we have such a Report we will post in online on our Website in the individual item's post.

Internet Buyers who purchase, without viewing, do so entirely at their own risk without further recourse to us the Seller.

ANY SALE OVER $3,000 USD CANNOT BE COMPLETED BY PayPal or Credit Card and can only be completed by CASH, CASHIERS CHECK or BANK TRANSFER.

SALES UNDER $3,000 USD CAN BE COMPLETED BY PayPal or Credit Card.

By clicking and using the PayPal Button for items over $3,000 will be treated as a non-refundable deposit on items, with the balance to be discharged as per agreement on form of payment by email.

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Vintage Cultured Pearl Bracelet with Pink Topaz Coboshon .

Provenance: From our PRIVATE FINE JEWELRY COLLECTION.

Price: $350.00. Sale Price Now: $280.00

 

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