A pearl and topaz set necklace collet set with a pear-shaped blue topaz, below small round brilliant cut-diamond detail, to an integral cultured pearl necklace, to a cultured pearl clasp (Dimensions: Overall length: 45cm, estimated topaz weight: 18.21cts) (Overall length: 45cm, estimated topaz weight: 18.21cts) Condition report: Fully hallmarked for 18ct gold with import marks. Good overall condition, clasp is working well. Topaz approx: 20.10 x 14.90 x 8.69mm Estimated total diamond weight: 0.20-0.30cts Please note that diamonds and gemstones can not be accurately graded and measured when mounted in jewellery.