CEYLON SAPPHIRE AND DIAMOND RING IN 18KT YELLOW GOLD CEYLON SAPPHIRE AND DIAMOND RING 18kt white gold, embellished with a central Ceylon sapphire of ct 14.10, flanked by brilliant-cut diamonds of ct 0.40, hallmark 750, size 14/54, gr. 8. Accompanied by an IGN certificate dated 30/07/2024 certifying the geographical origin of the sapphire and the absence of heat treatment.