A sapphire and diamond ring, of cluster design, set with a cushion-shaped sapphire weighing

A sapphire and diamond ring, of cluster design, set with a cushion-shaped sapphire weighing approximately 3.50 carats, within a border of circular-cut diamonds, mounted in silver and gold, size K

A verbal report from GCS states that the sapphire is of Sri Lankan (Ceylon) origin, with no indications of heat treatment

Sapphire approximately 10.5 x 9.5 x 5.4mm, calculated weight approximately 3.50 carats. Pretty cornflower blue, excellent clarity, some surface wear and minor chipping - would benefit from a repolish. Estimated total diamond weight approximately 1.00-1.20 carats. Overall in good condition, gross weight 5 grams.