AgAu Jewellery has dated this piece to the 1950s.

Metal: 18ct white gold.
Stone(s): 1 Ruby (1.50ct), Diamonds totalling (0.65ct)
Ring Measurements: Ring Face. 0.8cm x 0.6cm. the ring sits 1.3cm off the finger.
Hallmark: Hallmarked for 18ct Gold
Size: UK size K
Weight: 5.5g
Condition: Very good condition
AgAu Jewellery has dated this piece to the 1950s.
Agau jewellery offer an extensive range of 9ct and 18ct gold jewellery.
You can view the stock and full dealer information on the AgAu Jewellery Profile Page