Pretty Early Victorian love token.

A Pretty Victorian 18ct gold and silver love token ring. An old cut diamond set centrally in a silver-topped setting surrounded by a wreath of 10 old cut diamonds.
An exquisite piece.
Circa 1870.

The 18ct band is probably a replacement (hence the later makers mark: QT Ltd.)

Metal: Tests 18ct yellow gold. Top setting Silver.
Shank half round 2mm width.
Stones: Old cut diamonds.
Centre stone estimated 0.25ct
Surrounding stone: set 0.1 ct.
Condition: Very good commensurate with age.

Size - US 5 or UK J 

GR051