White gold ring with emerald surrounded by diamonds

Rectangular white gold ring with natural emerald, with laboratory certificate (20241977900-6 on 05/11/24), Zambian origin, emerald cut surrounded by 8 round diamonds and 6 marquise diamonds.

Material: 18K White Gold
Hallmark: Owl hallmark
Weight: 11.1 gr
Diameter: 53
Ring size adjustable: no
Emerald carat weight: 5.80 cts. Diamond carat weight: 3 cts
Number of stones: 1
Period: 1960