NATURAL PEARL AND DIAMOND CLUSTER BROOCH, CIRCA 1900 2.87 carat button-shaped natural pearl Cushion and old brilliant-cut diamonds, approx. 2.45cts total Maker's mark, Austro-Hungarian assay mark Central pearl cluster detachable Length 5.3cm Weight approx. 12.5g Footnotes: The Gem & Pearl Laboratory: natural saltwater, report number 23703, 12 September 2023. OVERALL CONDITION Some surface wear to unhallmarked metal (testing as 12-13ct gold and silver) commensurate with age. Some discolouration visible throughout. Pin fitting stamped with maker's mark FK and A. Mount stamped with Austro-Hungarian assay mark (A 4 flanking a fox head), A and maker's mark FK. PEARL Displaying a white body colour with rose and green overtones, and a medium lustre. Some wrinkles and blemishes visible under 10x magnification. Scratch to nacre visible under closer inspection. DIAMONDS Estimated K-M colour, estimated SI2-I1 clarity. Assessed in mount. This condition report is provided for your convenience based on the opinion of our gemmologists. Bonhams is not responsible for any discrepancies between this information and other opinions. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing