Claude WESEL for Fernand DEMARET* (1924-2013) - Belgium Entourage' collection ring in 18k (750 thousandths) yellow gold with light graphic lines surrounding a very large doublet of opal probably of Australian origin presenting intense red, gold, blue and green electric incandescent fires. Demaret hallmark in the body of the ring. Year of creation 1963-1964. Finger size: 52 Gross weight: 18.1 g.