Early 20th century gold diamond, ruby and sapphire three-stone ring

A gorgeous ring, that would fit beautifully into any jewellery collection.

The finer details:

Metal: Hallmarks: No hallmarks, ring tests around 14-15ct.
Ring size: M. 
Gemstones: Estimated diamond weight: 0.15ct, colour assessed as H-I colour, P1 clarity.
Dimensions of ruby: 4 by 4 by 2.2mm
 Dimensions: Length of ring head: 1.2cm.
Weight: 2gm.
Condition: Good antique condition. Light surface scratches, in keeping with age. band has been re-sized.