An 18ct hallmarked white gold emerald and diamond cluster ring, central diamond within a border of eight emeralds in turn bordered by twelve diamonds, all to pierced shoulders, ring size R.

An 18ct white gold emerald and diamond cluster ring, central collar set diamond, weight approximately 0.50ct,

Lot 809
Estimate £1,200-£1,500

An early 20th Century 18ct opal and diamond ring, central oval opal, length 20mm, within a border of old and t

Lot 831
Sold for £1,400 hammer

Estimate £1,200-£1,500

An 18ct tanzanite and diamond cluster ring, central oval tanzanite within a border of twelve collar set brilli

Lot 681
Estimate £1,200-£1,500