Married to Bernard Dunstan, they are both painters of light; she primarily paints landscapes as well as flowers whereas he paints landscapes or interiors with figures. Diana Armfield studied at the Slade School of Fine Art and Central School of Arts and Crafts, and in 1959 went to teach at Byam Shaw School of Art. She was Artist in Residence in Perth, Australia in 1985, and in Jackson, Wyoming, USA in 1989. Armfield was elected a full Member of the Royal Academy in 1991, is also a Member of the Royal Watercolour Society, the New English Art Club, the Royal West of England Academy, the Royal Cambrian Society (Hon Retired) and an Honorary Member of the Pastel Society. She lives in London and Wales where she has exhibited extensively.