Bonhams 1793 : A diamond single-stone ring

The old round brilliant-cut diamond to a claw setting between raised tapered shoulders each set with three single-cut diamonds to a plain hoop, stamped Plat, the principal diamond estimated to weigh approximately 2.20cts

Estimate:

£4,000 - 6,000
US$ 6,100 - 9,100
€4,700 - 7,100