Lot of three rings: - A yellow gold (375) and silver (800) openwork ring decorated with rinceaux, rose-cut diamonds and small sapphires. Gross weight: 4.8 g - Finger size: 59. One diamond missing. - One yellow gold (375) and silver (800) openwork set with foliate scrolls, centered on a square emerald in a closed setting set with two small round faceted rubies and small rose-cut diamonds. Gross weight: 6.1g - Finger size: 62. One diamond missing. - One in silver (800) set with a claw-set onyx plaque. Gross weight: 6.5g - Finger size: 56. = Wear, scratches, chips, oxidation.