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  • Lab-Grown Diamond Industry and the Term Cultured

    Lab-Grown Diamond Industry and the Term Cultured

    The FTC recently amended its regulations allowing lab-grown diamonds to be described as 'Cultured.'

    This is a critical issue facing the pearl and jewelry industry at large. Jeremy Shepherd addresses it in this webinar with the Women's Jewelry Association.

    Cultured Diamonds Vs. Cultured Pearls


    ...
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    Last edited by CortezPearls; 03-16-2021, 03:53 PM.

  • Indonesian South Sea Keshi on a Lazy Sunday

    Indonesian South Sea Keshi on a Lazy Sunday

    Carolyn Ehret operates Ehret Design Gallery on eBay, a favorite of our members, and myself! If you find yourself having to wait for a car repair or a delayed appointment, I can practically guarantee that the time will fly by while you look at the fun items on her site. Of course, looking can be dangerous to your pocketbook. This is also a great place to find a few gems to add to a necklace or earrings--or just to source beautiful and unusual pearls. I had Carolyn add gold spacer beads and finding...
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  • Once in a Lifetime: The Sinkankas Symposium on PEARLS!

    Once in a Lifetime: The Sinkankas Symposium on PEARLS!

    Dear Pearl Friends,

    If you will be in Southern California on April 27th, you will want to attend the 16th Annual Sinkankas Symposium on Pearls! It's an all-day event at the Carlsbad campus of the Gemological Institute of America.

    The Sinkankas Symposium honors John Sinkankas, a legendary gemologist and scholar, with an annual Symposium on a different gem topic each year. Now Pearls get their turn in the spotlight. Speakers include: ...
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  • Tiny Tahitian Pearls are Starting to Get Big!

    Tiny Tahitian Pearls are Starting to Get Big!

    I love Tahitian pearls. I love their colors. I love their shapes. I love the beauty of the environment where they're grown. They just make me happy. I know ... all special pearls make me happy, but there is an extra-special allure with Tahitian pearls. It's better experienced than explained. I know many of you get that. Pearl farmers understand this. Theirs is a business of passion, focusing on the creation of perfection, following traditional methods that are repeated throughout French Polynesia. ...
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  • J Hunter Pearls: Ocean, People, Culture

    J Hunter Pearls: Ocean, People, Culture

    Sharing beauty from J Hunter Pearls.

















    www.fijipearls.com...
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  • Pearls Play a Starring Role in AGTA Seminars

    Pearls Play a Starring Role in AGTA Seminars

    The American Gem Trade Association's Tucson Gemfair has an outstanding lineup of seminars for next year's show. Of particular interest to Pearl Guide readers is the participation of three stellar pearl experts: Betty Sue King, Gina Latandresse and Elisabeth Strack. Betty Sue King is presenting a timely seminar about the effects of global warming on pearls, mollusks, and the people whose lives are immersed in pearl culturing and production. I can unreservedly recommend this presentation, having expe...
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  • Pearls Make Me Feel Beautiful

    Pearls Make Me Feel Beautiful

    Looking through photos from this summer, I noticed that all the photos where I am wearing pearls are the ones where I am joyous and glowing. Could there be a transfer of radiance from the pearls to the wearer? Can pearls fill the soul with visible happiness? I'm not sure, but I love my self-purchase of pearls from little h beyond measure.

    Happy Blaire, followed by closeups of the pearls...

    Non-glam photos, but nothing shows color like a white paper towel!
    ...
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  • The Winners! The 9th Annual International Pearl Design Competition

    The Winners! The 9th Annual International Pearl Design Competition

    New York, NY – Nov. 2018 The Cultured Pearl Association of America (CPAA) has announced the U.S. winners of its 9th Annual International Pearl Design Competition (IPDC).
    On Tuesday, Oct. 30, judges Tara Silberberg of The Clay Pot in Brooklyn and New York City, Editor and Brand Consultant Cheryl Kremkow, and Jean Francois Bibet, workshop and production director at Cartier, inspected 33 finalist pieces (finished jewels) at a private location in the city. By the end of the day, six winners had...
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  • Pink Pearl Fantasy - Karen Suen

    Pink Pearl Fantasy - Karen Suen

    Karen Suen's eye for color will steal your heart. You will need to visit the collection on her website to see the finest use of clam pearl, conch pearl, opals and diamonds in a ring that I have ever seen. Searching through the jewelry images was a review of some of the finest gemstones in the world, including an enormous padparadscha sapphire and dazzling jade. I found out about Karen Suen at the Couture Show Awards competition. Although the lighting made photo opportunities difficult this year, ...
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  • This is Not a Pearl

    This is Not a Pearl

    This is not a pearl.

    The giant clam, Tridacna gigas, is under attack. The rumor mill never rests on the subject of giant clam “pearls”. They are supposed to be worth millions, if not hundreds of thousands of dollars. Clam pearls, technically calcareous concretions, do exist. Good clam pearls most often come from Tridacna squamosa, the giant fluted clam, although they can be found in Tridacna gigas. The Tridacna squamosa is much smaller than Tridacna gigas, whose enormous s...
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  • Sustainable Pearls - Links Section
    by CortezPearls
    This section will have articles to Sustainable Pearl Farming and other related news.

    "The Sustainable Corner" Series is here:

    1. Introduction
    2. Sustaining Life with Pearl Farming
    3....
    08-02-2021, 06:24 PM
  • VI. Common Mabe Pearl Varieties - Abalone Mabe
    by CortezPearls
    C. Abalone Mabe (Genus Haliotis)

    Abalone (or “Ear-shells” as they are sometimes referred) are not pearl oysters at all; they are, instead, an ancient group of marine “snails” known as Archaeogastropoda (Ancient belly-crawlers). Because they are snails, they move about their environment, living on rocks and grazing on brown seaweeds (kelp). Another interesting difference with pearl oysters is that these animals have a temperate water affinity: they prefer cold...
    07-21-2021, 12:23 AM
  • VI. Common Mabe Pearl Varieties - B. Mother-of-Pearl Oysters (genus Pinctada)
    by CortezPearls
    B. Mother-of-Pearl Oysters (genus Pinctada)

    Black Lip Pearl oysters (Pinctada margaritifera)

    Black lip pearl oysters are known mainly for their beautiful, dark, cultured pearls but they have also been used to produce Mabe pearls, although in not great numbers.

    Part of the production strategy for Mabe pearls in French Polynesia and Fiji is at the very last part of the pearl producing cycle:
    Cultured (loose) pearls are produced for up to three cycles (first,...
    07-21-2021, 12:14 AM
  • VI. Common Mabe Pearl Varieties - “Rainbow Lipped Pearl Oyster”
    by CortezPearls
    “Concha Nácar” or “Rainbow Lipped Pearl Oyster”

    This species of pearl oyster (Pteria sterna) has been used to produce both cultured loose pearls and Mabe pearls in Mexico. The first Mabe pearls were obtained back in 1994 and were the main product for the Guaymas based pearl farm until loose cultured pearls became more common (2002). Since 2010, “Cortez Mabe” have been produced in a steady number between 1 to 5-thousand pearls per year. There is an experimental Mabe pearl...
    07-21-2021, 12:06 AM
  • VI. Common Mabe Pearl Varieties - A. Winged Pearl Oysters (genus Pteria)
    by CortezPearls
    There are several varieties of commercially grown Mabe Pearls that can be found at jeweler’s displays or on online vendors, but many have become rare over the years. The three main sources for Mabe pearls today are:
    1. Winged Pearl oysters from genus Pteria, including the “original” Mabe-gai (Pteria penguin) and the “Rainbow-lip” pearl oyster (Pteria sterna).
    2. Mother-of-Pearl oysters from genus Pinctada, mainly from the larger Silver (Pinctada maxima) and Black (Pinctada margaritifera) lipped pearl
    ...
    07-20-2021, 11:59 PM
  • V. Processing Mabe or Natural Blisters
    by CortezPearls
    Since these pearls are not very useable in jewelry with the entire shell, they are processed: first they are cut from the shell, with the help of a handsaw, Dremel tool, core-drill or tile cutting saw. The type of tool will depend on availability and production volume, the first used mainly by occasional processing and the latter for commercial production.

    A lineup of the Mabe pearl process.

    Once the blister is separated from the shell, these are rinsed to remove grime,...
    07-20-2021, 11:44 PM
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