CHAUMET TRANSFORMATION HATPIN in yellow gold,...

CHAUMET
TRANSFORMATION HATPIN
in yellow gold, circular in shape, centered on a cushion-cut yellow sapphire in a blue, green and white enamel surround, it is encircled by a ring of organic material punctuated with platinum diamond clasps each highlighted by a small pearl.
Portable as a brooch.
Master hallmark.
Circa 1910.
In a Chaumet presentation case.
Accompanied by a certificate from Maison Chaumet.
A yellow sapphire, enamel, organic coral, diamond, platinum and 18k gold hat pin, by Chaumet. Circa 1910.
Provenance: Paris collection of Mr. X; from the Chaumet stock sale at Drouot, December 5-6, 1990.
Magnificent example of Parisian elegance at a time when one did not go out without a hat.
RC :
Length: approx. 15 cm
Brooch diameter: approx. 4.9 cm.
Gross weight: 28.50 g. 18K gold - 750/1000.