Wedding band gold and diamonds

18-carat champagne gold ring (halfway between yellow and pink gold), adorned with 3 brilliant-cut diamonds.
Work from the second part of the 20th century, hallmarked with an eagle's head.
Very good condition. Very modern and classic at the same time. 

Dimensions -
Weight: 5.1 grams
Finger size: 54 (sizing available at an additional cost)
Ring width: 2.04 millimeters at its thinnest.
Height of the upper part of the ring: 4.1 millimeters.
Width of the upper part of the ring: 5.75 millimeters.
Approximate diamond carat weight: 0.42 carats.