Lot 116 , A Georgian gold and single stone collet set octagonal cut sapphire set ring

A Georgian gold and single stone collet set octagonal cut sapphire set ring, with a rose cut diamond set border, (almost all now missing) and fluted closed back setting, the stone measuring approximately 13.4mm by 11.1mm, size M, gross weight 5.9 grams.
£2,500-3,000

Condition:
Wear to the settings in general. Visible wear to the facet edges of the sapphire in places. Something possible missing from either shoulder just below the ring head??

Sold for £2,800