Victorian 18ct Gold Diamond Gypsy Ring Hallmarked Chester 1890

A lovely antique 18ct Yellow Gold Diamond Gypsy ring from the Victorian period.
This ring is set with an old mine cut diamond that has been claw set.
The shoulders and shank are 18ct yellow gold.
This ring has not been polished. It is in excellent condition.

Hallmarked: Chester 1860
The hallmarks are clear. Chester assay office was a provincial office. It closed in 1962.
Weight: 3.5 grams
Diamond weight: .04ct
Width: 6.5mm (at the widest point.)
Ring size: UK M / US 61/4