Mid Century Old Cut Diamond & Onyx Pin Brooch, circa 1960 popular Twelve eight-cut and old cut

Twelve eight-cut and old cut diamond and set in the gallery

This wonderful and rare Mogok ruby is a glowing

Eight claws secure the centre stone within an open collet

The stone is rubover set in platinum and surrounded by 39 eight-cut diamonds

The elongated oval shaped opal in the centre has a clear white base colour and displays a lively play of oranges and greens

Mid Century Old Cut Diamond & Onyx Pin Brooch, circa 1960 popular Twelve eight-cut and old cutA terrific vintage brooch with clear influences from the Art Deco period. The old cut diamond in the centre is set within a milgrained square platinum setting, with sits within a panel of satin finished white gold. Two bars of onyx angle away from the centre panel, stepping down to a box set rose cut diamond which conforms to a slender, 18k white gold pin. Secured with a trombone clasp. Item # 79511S019 S019