金剛界 こんごうかい Meanings Noun Vajradhatu; Diamond Realm See also: 胎蔵界 (たいぞうかい). Vajradathu Mandala; Diamond Realm Mandala See also: 金剛界曼荼羅 (こんごうかいまんだら). Kanji 金 money. Read as コン. 剛 sturdy. Read as ゴウ. 界 realm. Read as カイ. Words containing 金剛界 金剛界曼荼羅 (こんごうかいまんだら) Vajradhatu Mandala Word lists Buddhism Jinuma: Japanese Dictionary · Word lists