Silver-topped-Gold, Conch Pearl, Cultured Pearl and Diamond Brooch - Photo Sotheby's
Of foliate design, featuring a cluster of acorns, one acorn set with a conch pearl measuring approximately 12.7 by 13.5 by 11.2 mm, the second acorn set with a baroque cultured pearl of silver hue measuring approximately 26.6 by 17.7 by 14.7 mm, the last acorn set with a baroque cultured pearl of dark gray hue measuring approximately 23.3 by 15.6 by 10.0 mm, the leaves of openwork design, set throughout with numerous old mine and rose-cut diamonds weighing approximately 8.00 carats, with French import marks. Estimate: 15,000 - 25,000 USD - LOT SOLD. 122,500 USD
Accompanied by two GIA reports:
No. 2145726135 stating that the baroque pearl of silver hue is non-bead cultured, saltwater.
No. 2145726177 stating that the baroque pearl of dark gray hue is non-bead cultured, saltwater.
For a brooch of similar design by Oscar Massin, see French Jewelry of the Nineteenth Century, by Henri Vever, page 970.
Sotheby's. Magnificent Jewels from the Collection of Mrs. Charles Wrightsman. New York | 05 Dec 2012 www.sothebys.com