I'm so in love with this ring. 
I found a vintage signet ring made by the renowned maker, Charles Green and Son. Their rings are always such a great weight, and wonderfully made. 
We have added a rose cut diamond, and some starry engraving to the face and shoulders to make the perfect celestial signet. I would wear this on my little finger day in, day out.
Full UK hallmark for 18ct gold, Birmingham. 
Weight approx 6.4g 
Natural, earth mined diamond 0.07ct 
Size J 1/2 (approx US 5.25) fits a little smaller - could be resized
Width at front approx 10mm
Widtaplllback approx 3.3mm
Excellent vintage condition