BURMESE SAPPHIRE AND DIAMOND FLORAL RING IN 18KT WHITE GOLD BURMESE SAPPHIRE AND DIAMOND FLORAL RING in 18kt white gold, at the centre an oval-cut sapphire weighing ct 3.95, surrounded by brilliant-cut diamonds and tapes weighing ct 2.50, hallmark 750, size 12/52, g. 7. Accompanied by an IGN certificate dated 26/02/2024 certifying the geographical origin of the stone and the absence of heat treatment.