Diamond

"Diamond" in Japanese

ギヤマン

giyaman

(gemstone)

ダイヤ

daiya

(uncountable: mineral)

ダイヤ

daiya

(gemstone)

ダイヤ

daiya

(card games: card of the diamonds suit)

ダイヤモンド

daiyamondo

(uncountable: mineral)

ダイヤモンド

daiyamondo

(gemstone)

金剛石

kongōseki

(uncountable: mineral)

金剛石

kongōseki

(gemstone)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.