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Oriental Diamond

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against Oriental Diamond. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Country
Japan
Business Category
Manufacturing / Engineering
Employees
51-100
Discovered
2026-05-12
Published
May 12, 2026
Victim ID
2NbyzSopA1Tu

Attack Summary

orientaldiamond.jp Oriental Diamond Inc. is a pioneering Japanese diamond enterprise established in 1966, specializing in the import, design, and manufacturing of fine diamond jewelry and loose stones. As the first company in Japan to earn the prestigious Sightholder qualification, they combine global sourcing with in-house craftsmanship to deliver conflict-free diamonds and elegant collections like Hoshi no Suna. With a heritage of excellence and a diversified portfolio spanning jewelry, bridal, and traditional kimono wholesale, they continue to innovate as a trusted market leader in Tokyo's luxury sector

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