COLUMBIAN EMERALD AND DIAMOND RING IN PLATINUM COLOMBIAN EMERALD AND DIAMOND RING in platinum, set with a sugar-loaf cut emerald of approx. 5.50 ct and old-cut diamonds of approx. 0.20 ct, size 15/55, g. 6. Accompanied by an IGN certificate dated 16/10/2024 attesting to the characteristics and geographical origin of the emerald.