18k (750‰) white gold ring set with an exceptional rectangular emerald with cut sides weighing approximately 3.78 carats between two diamonds Tdd : 54.5 Gross weight: 6.7 g Accompanied by a SSEF Laboratory Certificate no. 133144 dated 09/10/2023 stating: Origin : Colombia Colour: green with moderately strong saturation Treatments: minor amount of oil in the cracks