Fine Diamond Set Foliate 18ct. White Gold Brooch

Fine Diamond Set Foliate 18ct. White Gold Brooch 
Mid 20th century diamond set brooch 
Comprised of an openwork scrolled design. 
Set with a total of 91 round brilliant cut diamonds 63 measure between 1.4 and 2 mm in diameter, 28 measure between 2.7 and 2.1mm in diameter 
Estimated total carat weight 2.50 carat, assessed clarity VS to I1, assessed colour G/H. 
Claw and beaded settings in white onto a raised wirework frame 
Fitted with a double pin and safety catch 
Length: 58 mm 
Width: 33 mm 
Estimated total diamond weight 2.50 carat 
White 18ct gold, marked 750 
Weight 15.7 g 
Good pre-owned condition. 
Independent valuation from 2018 for £3950