CEYLON SAPPHIRE AND DIAMOND RING IN 18KT WHITE GOLD CEYLON SAPPHIRE AND DIAMOND RING 18kt white gold, embellished in the centre with a drop-cut sapphire of ct 3.82, flanked by brilliant-cut diamonds of ct 1.40, size 16/56, gr. 6. Accompanied by an IGN certificate dated 04/01/2024 certifying the geographical origin of the sapphire and the absence of heat treatment.