Early 20th Century opal and diamond fringe necklace with fifteen oval opals measuring approx. 8x6mm to 4x3mm, five old cut diamonds estimated tota...

Opal and ruby quatrefoil brooch in 9ct gold. Opals measure approx 9mm x 7mm. Hallmarks for Sheffield 1975 maker HBJ. Weight 8.89g. Dimensions appr...

Opal and diamond cluster ring with an oval opal measuring 14.6mm x 12.2mm surrounded by 14 round brilliant cut diamonds estimated weight 2.38ct, c...

Opal and diamond cluster ring. An oval opal surrounded by a border of old cut diamonds forming a hexagonal cluster. Opal measures 7.5mm x 6.1mm, e...

Late Victorian opal and old cut diamond bar brooch with opal and diamond chain, dangle drops the central opal measures 8mm in diameter, the drop m...

Opal five stone ring. Rubbed hallmark. Ring size O. Gross weight 1.42g. Condition - some wear to opals, claws worn, repair work to shank

A pair of oval opal and diamond cluster earings in hallmarked 9ct gold. Opals measure approx 7mm x 5mm each surrounded by fourteen single cut diam...

A pair of opal cluster earings in hallmarked 9ct gold with screw fittings and a pair of fashion jewellery cluster earings