Jewellery Designer Takeshi Kaji
Design Concept

Creation of jewellery that captures a changing world while pursuing new values and originality with high purity.
Pursuing the limitless beauty of diamond through the production of private collection ADAMANT and breathing new life into Email jewellery production, Takeshi Kaji is making efforts to create works with fresh sensitivity while following Kaji jewellery art’s policy of creating "jewellery that gleams eternally"



1979Born in Tokyo.
2001Earns Graduate Gemologist Diploma at the Gemological Institute of America (GIA)
2009Wins the Excellence and the Platinum Guild International Prize in the Japan Jewellery Association (JJA)’s Design Awards 2009.
2009Releases private collection ADAMANT.
2010Qualified by the JJA as a Jewellery Coordinator.
2011Wins the Governor of Tokyo Metropolitan Government Prize and the Platinum Guild International Prize in the JJA Design Awards 2011.
2013Wins the Japan Jewellery Grand Prize and Minister of Economy, Trade and Industry Prize in the JJA Design Awards 2013.
2015Participates in the Hong Kong Jewellery & Gem Fair.

Placing his original jewellery works on show at exhibitions, including solo shows, and at major department stores and specialty stores, Takeshi Kaji is an up-and-coming jewellery designer who is active nationwide.

Graduate Gemologist Diploma from the Gemological Institute of America (2001)
Full member of the Japan Jewellery Designer Association
Jewellery coordinator certified by the Japan Jewellery Ass0ciation (JJA)

ADAMANT ADAMANT Emaux Jewellery Color Stone Jewellery