Born in Odessa, Ukraine, in 1991. Studied at the Odessa State Art College named after M. B. Grekov (2006–2011), specializing in painting. From 2011 to 2017, studied painting and graphic arts at the South Ukrainian National Pedagogical University named after K. D. Ushynsky.

Diachuk is known for her watercolor floral compositions, still lifes, and landscapes, many of which are inspired by her hometown of Odessa.

Her works are held in private collections in Ukraine and internationally, including Germany, Belarus, Romania, and other countries.