The Diamond Stakes (Japanese ダイヤモンドステークス) is a Grade 3 horse race for Thoroughbreds aged four and over, run in February over a distance of 3400 metres on turf at Tokyo Racecourse.
The Diamond Stakes was first run in 1951 and has held Grade 3 status since 1984. In its early years, the race was usually run at Nakayama Racecourse and returned to that track in 1985, 1986 and 2003. It was usually run over 2600 metres, until 1964.
Winners since 2000 Year Winner Age Jockey TrainerOwner Time 2000 Yusei Top Run 7 Hiroki Goto Hidetaka OtonashiAsahi Club 3:17.5 2001 Ibuki Yamano O 6 Olivier Peslier Masazo RyokeIbuki 3:18.0 2002 King The Fact 5 Hiroki Goto Kiyoshi TaniKazuo Nishiura 3:19.8 2003 Ingrandire 4 Junichi Kobayashi Yoshinami ShimizuChizu Yoshida 3:23.7 2004 Namura Thanks 5 Kunihiko Watanabe Yoshiharu MatsunagaNobushige Namura 3:31.9 2005 Win Glanz 5 Masami Matsuoka Keiji TakaichiWin 3:33.5 2006 Macky Max 6 Shinji Fujita Hideaki FujiwaraToru Makiura 3:30.3 2007 Tokai Trick 5 Christophe Lemaire Shoichi MatsumotoMasanori Uchimura 3:30.6 2008 Admire Monarch 7 Katsumi Ando Hiroyoshi MatsudaRiichi Kondo 3:33.6 2009 Monte Kris S 4 Hiroshi Kitamura Kunihide MatsudaYoshiaki Mori 3:29.4 2010 Forgettable 4 Yutaka Take Yasuo IkeeKaneko Makoto Holdings 3:32.6 2011 Cosmo Meadow 4 Anthony Crastus Shigenori HatakeyamaBig Red Farm 3:31.9 2012 Keiai Dosojin 6 Yutaka Yoshida Yasuhito TamuraKeiai Orthopedic Appliance 3:36.8 2013 Admire Rakti 5 Hiroyuki Uchida Tomoyuki UmedaRiichi Kondo 3:31.9 2014 Fame Game 4 Hitoshi Kitamura Yoshitada MunakataSunday Racing 3:30.2 2015 Fame Game 5 Hitoshi Kitamura Yoshitada MunakataSunday Racing 3:31.9 2016 Twinkle 5 Masaki Katsuura Kazuya MakitaHiroshi Hatasa 3:37.8 2017 Albert 6 Ryan Moore Noriyuki HoriMasamichi Hayashi 3:35.2 2018 Fame Game 8 Christophe Lemaire Yoshitada MunakataSunday Racing 3:31.6 2019 You Can Smile 4 Yasunari Iwata Yasuo TomomichiKaneko Makoto Holdings 3:31.5 2020 Miraieno Tsubasa 7 Daishi Ito Yasuo TomomichiNobuhiko Mishima 3:31.2 2021 Grandiose 6 Kousei Miura Yasuhito TamuraSunday Racing 3:31.2 2022 T O Royal 4 Yuji Hishida Inao OkadaTomoya Ozasa 3:30.1 2023 Mixology 4 Atsuya Nishimura Yasuyuki TsujinoYoshimasa Ema 3:29.12024T O Royal6Yuji HishidaInao OkadaTomoya Ozasa3:30.22025Redentor4Keita TosakiTetsuya KimuraCarrot Farm3:32.22026Stinger Glass5Christophe LemaireYasuo TomomichiM's Racing3:32.0
Earlier winners
1951 - Koma O 1952 - Ikahodake 1953 - Takahata 1954 - Mineno Sugata 1955 - Takagiku 1956 - Otokitsu 1957 - Toshiwaka 1958 - Masa Takara 1959 - Aya Noboru 1960 - Kane Chiakra 1961 - Homareboshi 1962 - Grand Time 1963 - Yamano O 1964 - Kikuno Hikari 1965 - Miharukasu 1966 - Yamadori 1967 - Korehide 1968 - Ono Den O 1969 - Speed Symboli 1970 - Daishin Volgard 1971 - Speedy Wonder 1972 - Banrai 1973 - Toyo Asahi 1974 - Gold Rock 1975 - Hikaru Jinden 1976 - Fujino Parthia 1977 - Tosho Rock 1978 - Tofuku Sedan 1979 - Three Giants 1980 - Pretty Cast 1981 - Pure Symboli 1982 - Kyoei Promise 1983 - Takara Tenryu 1984 - Dai Sekitai 1985 - Hokkai Pegasus 1986 - Trademark 1987 - Dolsa Sport 1988 - Dyna Breeze 1989 - Slew O Dyna 1990 - Slew O Dyna 1991 - North Shuttle 1992 - Mr Cyclennon 1993 - Matikanetannhauser 1994 - Sengoku Silver 1995 - Air Dublin 1996 - Yu Sensho 1997 - Yu Sensho 1998 - Yusei Top Run 1999 - Tamamo Inazuma
See also Horse racing in Japan List of Japanese flat horse races
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