Takatatsu Tosai Black Diamonds 14-20cm. This variety is a rare and captivating variety, developed by the renowned Japanese breeder, Takatatsu Koi farm. They have a deep, dark black colouration and metallic or glittering scales, giving like a 'diamond-like' shimmer.
They are usually a mix of Matsukawabake and Kumonryu varieties. Due to their rarity and dramatic appearance, Black Diamond Koi are often highly valued in Koi auctions and competitions.
