| Tournament information | |
|---|---|
| Location | Miki, Hyōgo, Japan |
| Established | 1969 |
| Course(s) | Miki Golf Club |
| Par | 70 |
| Length | 7,163 yards (6,550 m) |
| Organized by | Japan Golf Association Asia-Pacific Golf Confederation Mitsubishi Corporation |
| Tour(s) | Japan Golf Tour Asian Tour |
| Format | Stroke play |
| Prize fund | ¥100,000,000 |
| Month played | October |
| Tournament record score | |
| Aggregate | 264 Takumi Kanaya (2024) 264 Ryu Hyun-woo (2024) |
| To par | −26 Brandt Jobe (1995) |
| Current champion | |
 Takumi Kanaya | |
| Location map | |
  Miki GC Location in Japan  Miki GC Location in the Ibaraki Prefecture | |
The Diamond Cup Golf (アジアパシフィックオープンゴルフチャンピオンシップ ダイヤモンドカップゴルフ, Ajia pashifikku opun gorufu chanpionshippu Daiyamondo kappu gorufu) is a professional golf tournament on the Japan Golf Tour. Founded in 1969, the event has been hosted at different courses throughout Japan, including on all four major islands. In 2022, the purse was ¥100,000,000, with ¥20,000,000 going to the winner. From 2014 to 2019 the tournament was co-sanctioned by the Asian Tour.