Antique Platinum & 14K Gold Diamond Scroll Pendant Brooch

Early 20th Century pendant brooch, featuring a platinum topped 14K yellow gold circular scroll design set with a cluster of diamonds.
Center old European cut diamond: 0.45ct. Color: I, Clarity: VS1
16 old European and old mine cut diamonds: 1.30ctw. Color: H-I, Clarity: VS1-SI1
Width: 30 mm
Height: 34 mm including bail - 30 mm (without bail)
Weight: 10.3 grams
Electronically tested for platinum and 14K gold.