Antique 1.35ct Diamond Solitaire Ring in Platinum

This beautiful antique ring features a sparkling 1.35ct old mine cut diamond set in platinum.
The shoulders and shank are platinum. We have dated this ring as circa 1900.
I love this ring, it is simply gorgeous. It would make an exceptionally stunning engagement ring.

Dated: c1900
Stamped: PLAT
Diamond weight: 1.35ct
Weight: 3.6 grams
Dimensions: Head setting is 7mm x 7mm
UK Ring size: J 1/2
US Ring size: 5