A late Victorian natural pearl and diamond tiara. £145,000.00. © Bentley Skinner

An Edwardian diamond tiara, with foliate swags and floral motifs graduating from the centre, set in white throughout with old brilliant-cut and rose-cut diamonds estimated to weigh a total of 8 carats, all to a yellow gold mount with detachable frame, convertible into a necklace, circa 1910. Gross weight 69.68 grams - No. 22487M - info@bentley-skinner.co.uk