Japan, US plan to build synthetic diamond plantReuters, TOKYOA plan to build a synthetic diamond plant in the US is a prime prospect in Japan’s US$550-billion investment package, as the allies push to expand production of a material vital to chip and high-precision manufacturing, sources said. Photo: Reuters“The United States wants to accelerate domestic production of synthetic diamonds,” one of the sources said. The synthetic diamond project involves Element Six, a part of De Beers Group, the world’s leading diamond company, the source added. Also likely to figure in the first batch of projects is a large-scale power-generation project, involving Japanese industrial conglomerate Hitachi Ltd, the sources said. A major infrastructure project involving construction of a data centre linked to Softbank Group also remains a finalist, Reuters reported this month.

Source: Taipei Times January 27, 2026 17:31 UTC