NATURAL PEARL AND DIAMOND CLUSTER BROOCH, CIRCA 1900

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
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.