ダイヤモンド News Releases

[New Release] New Item "Sheaffer x Emily in Paris Notebook" Featuring Parisian Essence Appears

Diamond Co., Ltd., the official general importer for SHEAFFER luxury writing instruments in Japan, w… · 2026-05-01

[New Release] New Silver Color Appears in the "Viper" Collection from German Writing Instrument Brand "Diplomat"!

The German writing instrument brand Diplomat is releasing a new silver color for its "Viper" collect… · 2026-04-02