Antique 18ct Gold & Platinum Diamond Square Cluster Ring

This is a very pretty 18ct gold and platinum diamond cluster ring.
The nine diamonds are claw set in a square platinum setting.
The ring has 18ct yellow gold knife edge shoulders and shank.
This is a stunning ring. We have cleaned and polished it with care at our shop.
It is in excellent condition.

Dated: c1940-50
Stamped: 18CT PLAT
Marker’s mark: S.B&SLD for Solomon Blanckensee & Sons, Birmingham
Diamond weight: .09ct approx
Cluster measurements: 7mm x 7mm approx.
Weight: 1.6 grams
UK size: L 1/2
US size: 6