Kohn Platinum, Ruby and Diamond Brooch
Kohn Platinum, Ruby and Diamond Brooch
The rectangular frame of geometric motif centering one collet-set oval ruby ap. 2.75 cts., tipped by 3 baguette diamonds ap. .70 ct., set with old-mine and old-mine single-cut diamonds ap. 1.15 cts., accented by French-cut rubies, signed Kohn, circa 1920, ap. 6 dwts.
With AGL report no. 1107814 stating Burma (Myanmar) origin, with no gemological evidence of heat or clarity enhancement.
C Property from the Estate of Lewis Mercer Borden of The Borden Dairy Company
View it on
Sale price
Estimate
Time, Location
Auction House
Kohn Platinum, Ruby and Diamond Brooch
The rectangular frame of geometric motif centering one collet-set oval ruby ap. 2.75 cts., tipped by 3 baguette diamonds ap. .70 ct., set with old-mine and old-mine single-cut diamonds ap. 1.15 cts., accented by French-cut rubies, signed Kohn, circa 1920, ap. 6 dwts.
With AGL report no. 1107814 stating Burma (Myanmar) origin, with no gemological evidence of heat or clarity enhancement.
C Property from the Estate of Lewis Mercer Borden of The Borden Dairy Company
Sale price
Estimate
Time, Location
Auction House
