Colombian emerald diamond gold ring

N. 01 emerald, octagonal shape, composite cut, approx. 3.10 ct, origin Colombia.
N. 01 diamond, rectangular shape, step cut, approx. 2.48 ct, F-G, VVS.
N. 02 diamonds, trapezoidal shape, tapered cut, approx. 0.40 ct, G-H, VVS.
IT size 13 - US size 6 1/2. Weight 7 g.
Item condition grading: **** good.
Prague, auction No. 308 _ September 19th 2024, Lot No. 72.