Set of four rings including: - an 18k rose and yellow gold ring set with cushion cut rubies and a rose cut diamond, black enamel (missing). 19th century. Finger: 52 - an 18k pink gold ring set with red stones and a colorless stone. Finger : 57 - an 18k yellow gold ring presenting a round cut amethyst. Finger: 44 - a ring in 18k white gold, platinum 800 thousandths set with rose-cut diamonds and calibrated sapphires and suiffés. Art deco period. Finger : 52 Total gross weight : 11,4 g