Diadema

Diadema, a five-year-old mare bred in Japan, is trained by Joji Tanaka. She is the offspring of stallion Duramente and mare Bouquetiere. Diadema has won three races in her career. Her most notable victory came on January 16, 2024, at Kochi, where she, under jockey Kensuke Hayashi, won a race worth $768,962.00, beating out Sakura Current.