Vintage Portuguese Diamond Loop 19k Gold Ring

This fabulous vintage Portuguese ring has been fashioned in glowing 19k with a most unusual design. A bezel set diamond rests inside a loop, somewhat like a buckle or an abstracted functional mechanism. 

-Size 5.5 and fairly resizable

-Hallmarked and tested 19k 

-3.1g

-8.5mm wide at face 

-Rises 2.9mm from finger

-2.9mm wide at back of band 

-Diamond weighs approximately 0.20ct