1970's 18ct Sapphire & Diamond Cluster Ring

Very popular in the 1970's were high set sapphire & diamond cluster rings.  This one has 5 graduated dark blue, round, mixed cut sapphires to the centre with a surround of 24 brilliant cut diamonds.  Total diamond content estimated 0.48ct.  The cluster measures 21mm x 10mm and sits 15mm proud on the finger.  Mounted in 18ct yellow gold with white gold basket settings.  Fully hallmarked London 1977.  Weight 5.14g.  Finger size O.

PLEASE NOTE:  The box in the photos is for display purposes only.
PLEASE NOTE:  This item is not in the centre.