An early 20th century amethyst and diamond flower brooch, by Plisson & Hartz. The carved amethyst flowerhead, with a single-cut diamond stamen and rose-cut diamond leaves, maker's mark, French assay mark.
Circa 1915 emerald and diamond brooch/pendant, centrally-set with an old brilliant-cut diamond within an openwork quatrefoil set with alternating rows of calibré-cut emeralds and rose-cut diamonds, accented with circular-cut emerald and single-cut diamond flowers, principal diamond approx. 0.85ct.
A late 19th century sapphire and diamond flower brooch, circa 1880 The unfurling pierced petals, set throughout with old brilliant and rose-cut diamonds, with a cushion-shaped sapphire stamen, mounted in silver and gold
A ruby and diamond flower brooch Realistically modelled as a rose, the petals of french-cut rubies within concealed settings and brilliant-cut diamonds, enclosing a pear-shaped diamond, the stem and leaves of brilliant and baguette-cut diamonds, pear-shaped diamond approximately 0.50 carat, remaining diamonds approximately 2.00 carats total, length 8.5cm