MAUBOUSSIN "Saint Hilaire de la mer". Ring in 750 thousandths white gold, set with a Ceylon sapphire, approx. 1.75 ct (heated), in a setting of sixteen modern brilliant-cut diamonds and twenty-two round-cut sapphires. Year of purchase 2025. Signed and numbered EJ2510. Estimated total weight of diamonds/sapphires: 0.09/1.85 ct Finger size : 54 Gross weight: 3.9 g Accompanied by a box from the Maison.