Diamond Brooch in Platinum - Secondhand

An early twentieth century eighty-nine stone old mixed cut diamond brooch in platinum with a pin and rollover safety clasp. Comprising a central oval section with the three principal diamonds with single cut diamond accents around them (fourteen in total).  Above and below is a row of 6 old brilliant cut diamonds with a single cut diamond at each end.  Either side is an openwork setting with a central graduating row of six diamonds (five old brilliant and one old swiss cut) surrounded by a border of twenty two diamonds (old brilliant and swiss cut).  All the diamonds are grain set with a millegrain edge. 

Diamonds 1 @ 6.10mm, weighing 0.85ct

2 @ 5.80mm, weighing 0.80ct each 

Assessed as colour J/K and clarity VS2 / SI1

2 @ 4.50mm, weighing 0.35ct each

2 @ 3.40mm, weighing 0.15ct each 

82 @ 1.20 - 2.40mm, weighing 0.01 - 0.05ct each

Assessed as colour G/H/I and clarity VS2 - SI

Total carat weight estimated as weighing 6.00ct

Unstamped. Tested as platinum.

Size: 78.00 x 16.00mm

Our stock ref: P3597