A fabulous vintage 18ct white Gold Diamond Art Deco heart brooch, comprising of a beautiful .4ct Old Brilliant Cut center Diamond in a rub over setting with Millegrain detail. Surrounded by 3 outer rings of Diamonds, comprising of a first inner ring of 12 Old European Cut .02ct Diamonds and followed by a second ring of 16 Old European Cut .07ct Diamonds. The third outer ring comprises of 18 Old European .17ct Diamonds. Total Diamond Weight= 4.46ct - Clarity= VS-SI Colour= G-R. All Diamond set in an 18ct white Gold open back gallery. Has been beautifully constructed with the top outer Diamonds being a different colour, giving the brooch a lovely border effect. Pin stem and rollback safety clasp. Brooch measures approx 2.6cm (1.1") tall X 2.2cm (0.97") wide. Unmarked - Tested as 18ct Gold. Circa 1920.