An Art Deco 18 ct  ( marked  & tested )gold ring set with a trio of diamonds. 
The setting is in 18ct white gold and the shank in 18 ct yellow gold.
The central diamond is 3mm diameter, the adjacent diamonds, roughly 2mm in a rub over setting.
Carat value approx 0.2
Weight 2.43
Size Q (UK) 8 1/4 ( US) sizeable