A diamond spray brooch, circa 1960s, in the form of stylised bundle of wheat stocks, set throughout with 111 marquise-shaped, brilliant-cut and baguette-cut diamonds, with an estimated total weight of 21.50ct, in individual claw settings, fitted with a double prong pin and roll-over clasp to the reverse, unmarked white metal testing as platinum, 7.5 x 4.8 cm, 37.2 grams.