Gold, Silver, Pearl and Diamond Brooch, circa 1890. Estimate 20,000 — 30,000 USD. Photo: Sotheby's.

Of openwork scrollwork design, suspending a natural pearl drop measuring approximately 10.5 by 9.6 by 8.6 mm, the top centering one pearl measuring approximately 10.5 by 9.0 mm, accented by four natural pearls measuring approximately 7.3 to 7.0 mm, decorated with single, rose, old European and old mine-cut diamonds weighing approximately 5.00 carats; circa 1890. 

Accompanied by GIA report no. 6173253552 stating that five of the pearls are of natural, saltwater origin and one of the pearls is of undeterminable origin.

Accompanied by report no. 2861 A from the Instituto Gemológico y Avalúo stating that the pearls are natural.

Sotheby's. Important Jewels, New York, 24 sept. 2015