A DIAMOND BROOCH, BY MARCHAK. The brilliant-cut and marquise-shaped diamond flexible wisteria flower surmounted by pavé-set diamond leaves with baguette-cut diamond stems, 1960s, 6.2 cm, with French assay marks for platinum and gold. Signed Marchak Paris, no. 4755.
An exquisite opal & diamond brooch, circa With ribbon & floral design, set throughout, with cushion-shaped, old brilliant & single-cut diamonds, & in the center a heart-shaped cabochon opal, suspending an opal drop!