Kojima Pearl Company

Kojima Pearl Company Kojima Company is a unique venue for a new generation of pearls.
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while I put the finishing touches on the planning for   2026 … here are some new vintage pearl earrings for your viewing...
06/05/2026

while I put the finishing touches on the planning for 2026 … here are some new vintage pearl earrings for your viewing pleasure. All of these earrings are from the collection of a well respected pearler. Each pair is unique and built to last! ❤️💨

11/04/2026

🌸Today we received the very last of the 2026 harvest. I’m calling them the “late bloomers”.

💭 Fuji suggested we make an “unboxing video” .. despite his overwhelming enthusiasm , this IS his happiest time of the year, it’s also not his first rodeo!

❤️Photo on the wall is Fuji’s father with Kokichi Mikimoto during the insatiable Japan Akoya pearl years. As decades passed the products the family business focused on changed some, but the dedication to learn / educate did not! Below is an excerpt from Fuji’s teaching about the origins of fresh water pearl farming in Japan.

🧐“Flattered by numerous counterfeits, Japan origin freshwater pearls (Lakes Biwa and Kasumi-ga-Ura are the most significant) had their heyday between the late 1950’s & 70’s. Largely unknown to the Western World (who were taught that pearls ought to be spherical, like bead nucleated Akoya ocean pearls) they were bought mostly by Indians for sale to the Middle East (because non-nucleated natural pearls were more familiar to them, they rejected the former).

Production of Japan Biwa and Japan Kasumi pearls dwindled to a vestige in the 1980’s, just as China,
where non-nucleated freshwater pearls had been cultivated in much greater quantities since 1970. Freshwater bead nucleation technology, which could produce larger pearls than Akoya and was practiced in Japan starting in the 1960’s, was introduced to China somewhat secretly in the 1980’s by Japanese technicians made jobless by the demise of the traditional Hyriopsis schlegeli
mussels used for cultivation.

For some 40 years, minuscule Japanese cultivation existed because Kiyoshi Yoneguchi, a second generation freshwater pearl farmer, discovered a hardier hybrid that could live with current levels of pollution. The mussels were distributed to all other freshwater pearls cultivators still trying to operate, and by their association to Chinese counterparts. But Japan by the mid-1990’s only 3 men (without help) were active, all in the Kasumi-ga-Ura area, albeit in river mouths, as the brackish lake itself was too polluted to support even the hybrid mussels. By 1985, Yoneguchi had

JOIN US FOR OUR ANNUAL LIVESTREAM FROM LAKE KASUMIGAURA 🇯🇵 THIS IS MORE THAN A  SALE, IT IS PEARL LEGACY PRESERVATION!  ...
11/04/2026

JOIN US FOR OUR ANNUAL LIVESTREAM FROM LAKE KASUMIGAURA 🇯🇵

THIS IS MORE THAN A SALE, IT IS PEARL LEGACY PRESERVATION!

TUESDAY APRIL 14 : 4 PM Pacific / 7 PM Eastern
WEDNESDAY APRIL 15 : 4 PM Pacific / 7 PM Eastern

LINK TO REGISTER IN OUR BIO! ❤️💨

07/04/2026

I am so proud of this new collection of Japan Kasumi pearl jewelry. THE LINK TO JOIN US IS OUR BIO: April 14 & 15th ❤️ livestream from the shores of Lake Kasumigaura 🇯🇵 pearls grown with love, presented with honor.

Rare Japan Kasumi pearls ✨ from the latest harvest,
paired with vintage Lake Biwa pearls.Freshwater pearls from Japan, d...
02/04/2026

Rare Japan Kasumi pearls ✨ from the latest harvest,
paired with vintage Lake Biwa pearls.
Freshwater pearls from Japan, decades apart—
brought together in one luminous, one-of-a-kind necklace.
Baroque shapes, natural color, and that unmistakable Kasumi glow…
this is where rarity meets creative energy ⚡️
Not perfectly matched. Not meant to be.
Every Japa Kasumi pearl we sell keeps working to keep the legacy of fresh water pearl farming in Japan ALIVE! Join us April 14th and 15th online with !
# Freshwaterpearls

NEW   necklace layout! 9-13mm in a perfect natural color mix of all the softness of Spring! We don’t often make round Ja...
01/04/2026

NEW necklace layout! 9-13mm in a perfect natural color mix of all the softness of Spring! We don’t often make round Japan Kasumi pearl necklaces but when we do … we put a LOT of heart and color discussion into the work! LIVE STREAM IS APRIL 15th and 16th! Join us for a real good time with some amazing people and the most precious fresh water pearls on the planet!

30/03/2026

When people ask me : “what color are Japan Kasumi pearls” My answer is : ALL the colors.

29/03/2026

Look at this incredible pearl from the most recent harvest!! Save the date for our live stream April 15 & 16 from the shores of Lake Kasumi ga Ura, Japan! We have some many amazing new pearls to share with you! ❤️💨

These are natural, wild-found pearls from a variety of species.If they spark something in you, you’re in the right place...
23/03/2026

These are natural, wild-found pearls from a variety of species.
If they spark something in you, you’re in the right place.
And if your first thought is the smile of the person who found it while fishing for food… and you can feel that smile… you’re exactly where you’re meant to be.

Scheduling modeling time with these young superstars isn't easy, given their packed schedules of studies, work, sports, ...
23/03/2026

Scheduling modeling time with these young superstars isn't easy, given their packed schedules of studies, work, sports, and community leadership. Appreciative they take time out to shine and demonstrate the scale of our pieces, and that young minds are more brilliant than we acknowledge. Thank you dear ones!

New Spring necklaces are here! Come see what's new! ❤️💨
22/03/2026

New Spring necklaces are here! Come see what's new! ❤️💨

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Tsuchiura-shi, Ibaraki

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