An early 20th century synthetic sapphire and diamond 18ct go...

Estimate

£1,200 - £1,600

An early 20th century synthetic sapphire and diamond 18ct gold cluster ring, the central cushion-cut blue sapphire measuring approximately 12.4mm x 11mm x 5.7mm and calculated at 7.29 carats, in a yellow gold setting, surrounded by a scalloped border of eighteen old-cut diamonds, raised on a pierced gallery, ring size Q, 5.2 grams
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More Information

The sapphire has been head treated. it has a large chip on one corner and smaller ones. Most of the diamonds have dark visible inclusions to the naked eye. The shank has a slight angle. It is stamped 18ct and does not look like it has been resized. It shows signs of long term wear.