Lot 359 , A sapphire and diamond cluster ring, early 20th century

A sapphire and diamond cluster ring, early 20th century, collet-set with a cushion-shaped sapphire within a border of single-cut diamonds, mounted in gold and platinum, size N1/2
£150-250

Condition:
Sapphire attractive, well-saturated blue, measuring approx 5.5 x 5 x 2.8mm, some zoning. Diamonds bright and lively. Gross weight approximately 2.5 grams.

Sold for £420