Property from a Private Montana Collection
George Thibault | Sapphire and Diamond Brooch, France
Auction Closed
October 22, 08:07 PM GMT
Estimate
10,000 - 15,000 USD
Lot Details
Description
Property from a Private Montana Collection
George Thibault
Sapphire and Diamond Brooch, France
Of geometric design, centering a cabochon sapphire measuring approximately 15.8 x 11.4 x 6.0 mm, accented by calibré-cut sapphires, within a frame of single and old mine-cut diamonds, with maker's and French assay marks; circa 1920.
Accompanied by AGL report no. 1109360 dated August 28, 2020 stating that the sapphire is of Ceylon origin, with no evidence of heating.