18ct white gold, South Sea pearl and diamond sautoir-bracelet, Andreou. Estimate $15,000 - $20,000. Photo Sotheby's.

Designed as a line of brilliant-cut diamonds collet-set in ropework collets terminating in a cultured pearl of grey tint and another of yellow tint measuring approximately 16.00 to 16.11mm, surmounted by an open work bell cap surmount decorated with similarly cut diamonds, the diamonds together weighing approximately 8.50 carats, length approximately 990mm, adjustable, signed Andreou, Italian assay and maker's marks, bracelet detachable.

Sotheby's. Important Jewels, 31 Aug 2015, Sydney, 6 PM