A platinum single stone diamond ring, c.1920

A single stone diamond ring, c.1920,
with an old brilliant cut diamond, estimated as approximately 1.10ct, eight claw set in a tall collet with a pierced bezel. Pairs of three graduated baguette cut diamonds, rub set in a stepped position to each shoulder, to a plain shank. Marked PLATINUM. 19.10 x 8.50mm (including shoulders), 4.16g. Case by 'Fishberg, Brick Lane Yard, London E1'. Diamond assessed as approximately:
Colour: I/J
Clarity: SI1/SI2.
Finger size L

Insurance valuation available to view.
Sold for £1,600

Condition report:
Surface marks to the mount.