Aquamarine, diamond halo ring

A stunning Aquamarine and diamond halo ring. The cornflower blue aquamarine is 2ct (9mm x 7mm) so a really nice size. It is surrounded by 12 diamonds each approx 0.06pts so in total about .60ct.
A nice large size UK ‘T’
It is second hand but not that old and is in good condition, though buyer must expect the patina of a ring of this age.
Hallmark London 2000 (millennium)