An 18ct white gold opal and diamond cluster ring, central oval cabochon cut opal collar set within twin diamond set borders, weight of opal approximately 9.30ct. ILLUSTRATED

A late 19th Century cased garnet and diamond insect brooch modelled as a fly with cabachon cut garnet body and

Lot 488
Estimate £2,500-£2,800

A pair of 18ct white gold opal and diamond drop earrings, cabachon pear shaped opal drop below conforming cir

Lot 596
Estimate £1,600-£2,000

A contemporary 18ct white gold diamond ring, central brilliant cut diamond, weight approximately .60ct, flanke

Lot 598
Estimate £1,500-£1,800