Mid 20th century opal and diamond cluster ring

A simple gorgeous piece, set with an opal cabochon surrounded by single-cut diamonds.
The perfect combination of colour and sparkle!

The finer details:

Metal:  No hallmarks or stamps. Testing as 18ct gold.
Ring size: K
Gemstones: Estimated diamond weight 0.20ct. Approximate dimensions of opal 1 by 0.7mm.
Dimensions: Length of ring head: 1.5cm.
Weight: 2.6gm
Condition: Good antique condition. Light surface scratches, in keeping with age.