Tsarina Diamonds is a thoroughbred horse born in Australia in 2021. Race horse Tsarina Diamonds is by Russian Revolution (AUS) out of Think Diamonds (AUS) , trained by Shane Nichols & Hayden Black. Tsarina Diamonds form is available here. Owned by Hollymount Stud (Mgr: M B Sandblom), Supreme Thoroughbreds (Mgr: A B Grayling), P Aherne, P J Robinson, Ms J G Sheldrake, G R Stead, D J Ryan, J L Barton, Mrs M J Barton, T B B Mystic Park (Mgr: T Blum), R B Glen, G R Hendrick, G M McManus, E Tromp, Mrs B Helmers, Ms K L McManus & Miss S Rodier.