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July 24, 2026
 

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DIAMONDS

A plant for synthetic diamonds in the United States may be one of the projects under Japan's $550 billion investment package.
BUSINESS / Economy
Jan 27, 2026
Japan and U.S. eye synthetic diamond production under $550B investment plan
Talk of such a move comes amid a push to expand production of the material, which is vital to chip and high-precision manufacturing.
A nation made wealthy by the discovery of diamonds in 1967, Botswana is now facing an economic crisis.
BUSINESS
Sep 4, 2025
Lab-grown gems are robbing Botswana of its diamond riches
A diamond-market crisis has turned the finding of the gems into an affliction and a cautionary tale of what can happen to an economy that becomes overly reliant on one commodity.
A craftsman checks the grading of a polished diamond in the grading department of a diamond processing unit in Surat, India, on Aug. 15.
BUSINESS / Markets
Aug 27, 2025
In India¡¯s diamond hub, looming U.S. tariffs cut into growing trade ambitions
Trump¡¯s levies threaten to sever India¡¯s access to its largest diamond market, which accounts for nearly a third of its $28.5 billion annual shipments of gems and jewelry.
Naohisa Hoshikawa, chief executive officer and founder of Ookuma Diamond Device, in Sapporo in February. Hoshikawa says the potential of diamond semiconductors goes beyond decommissioning work, likening them to the U.S. Apollo manned lunar landing program, which gave birth to technological innovations affecting everyday life.
51³Ô¹ÏÍø / Science & Health
Mar 12, 2025
Diamond chips could be key to decommissioning of Fukushima nuclear plant
Made with artificial diamonds, such chips are regarded as the ¡°ultimate semiconductors¡± ¡ª they can withstand high levels of radiation as well as high voltages and temperatures.
Japan Times
BUSINESS
Sep 17, 2022
Russia¡¯s secret gem sales are dividing the diamond world
Many in the industry refuse to deal in Russian gems following the invasion of Ukraine and after mining giant Alrosa was hit with U.S. sanctions.
Japan Times
WORLD
Apr 26, 2019
Largest uncut diamond in recent history found in Botswana mine
Lucara Diamond Corp. has unearthed the largest uncut diamond in recent history in its Karowe mine in Botswana, the Canadian company said on Thursday, beating its own record discovery from November 2015 that it struggled to sell for nearly two years.
Japan Times
BUSINESS
Apr 25, 2019
More than 40 million people work in artisanal mining, digging precious ore by hand: report
More than 40 million people around the world work in artisanal and small-scale mining where minerals including gold, diamonds and cobalt are dug up often by hand, a report by the World Bank and development organization Pact said on Wednesday.
Japan Times
WORLD
Dec 5, 2017
Sierra Leone Peace Diamond nets $6.5 million in auction to raise funds for West African nation
Sierra Leone sold one of the world¡¯s largest uncut diamonds for $6.5 million at a New York auction Monday to raise funds for development projects in the West African country.
WORLD
Nov 19, 2015
Small Canadian firm finds second-biggest gem-quality diamond ever
A small Canadian diamond company has found what it says is the world¡¯s second-biggest gem-quality diamond ever recovered, and the largest in more than a century, at its mine in Botswana.
Japan Times
BUSINESS
Jun 25, 2015
Diamonds not forever as Japanese offload jewels for cash
Diamonds aren¡¯t necessarily forever. At least not in Japan, where jewelry owners are unloading unwanted jewels for cash at a record pace and shipping them off to buyers in China and India.
Japan scientists identify clusters of protein believed to trigger Alzheimer¡¯s disease
A team of researchers said they found a ¡°seed¡± that accelerates the amyloid beta accumulation process in the brain, naming it ¡°Peak 1 amyloid beta,¡± as seen in a mouse's brain.
Indian brothers make manga debut in Japan
Two Indian brothers made their manga debut in Japan with "Kung Fu Kung Fool" ¡ª an action-comedy series that follows the adventures of a notorious thief and a young boy.
Japan weighs regulating Pokemon cards amid trading mania
A Pokemon event is held in Jakarta on July 11
Low-income families in Japan cut food and air conditioning during summer break
Yumiko Watanabe, the chairperson of nonprofit Kidsdoor, explains the results of a survey in Tokyo's Chiyoda Ward on July 1.
Iran strikes on CIA facilities prompt questions about possible Russian role
Iranian drones are displayed in an undisclosed location in Iran, in this handout image obtained on Jan. 13, 2025.U.S. officials have acknowledged that Russia has ?provided targeting ?and other support for Iran in its drone strikes on U.S. targets in the Persian Gulf region.
The sci-fi sensibilities of electronic trio Black Boboi
Black Boboi was formed in 2018 when solo artists Julia Shortreed, Utena Kobayashi and Ermhoi came together under Kobayashi¡¯s newly founded label, Bindividual.
A perfect storm: Kaze Fujii fans flock to Fuji Rock
Okayama-born singer-songwriter Kaze Fujii has carved out a distinctive place in Japanese pop since his major-label debut in 2019.
Can Japanese comedy get laughs in English? Yoshimoto Kogyo lets the jokes rip
Wes-P has millions of followers and his viral clips made him recognizable out of Japan.
The 180-day locals: Life on Japan¡¯s digital nomad visa
Christopher Flinn works remotely from Tokyo earlier this month. Japan issued 646 digital nomad visas in 2025, but tourism officials are hoping to increase that figure in the coming years, with Japan's relatively cheap cost of living and the weak yen seen as potential draws for young professionals.
Japan reveals hint of new defense spending target in fiscal blueprint
The Self-Defense Forces' Type 16 mobile combat vehicle fires during a joint live-fire drill with U.S. Marines as part of the annual Resolute Dragon exercises in Yufu, Oita Prefecture, on June 28.

Podcast

One of the many entrances to the Kabukicho neighborhood in Tokyo¡¯s Shinjuku Ward.
Kabukicho: Tokyo¡¯s ¡®stadium of desire¡¯

Longform

For many people, utility poles and power lines have become such a familiar part of Japan¡¯s landscape that they often go unnoticed.
Why Japan¡¯s utility poles won¡¯t be disappearing anytime soon
By Alex K.T. Martin

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