Diamond cluster brooch

The stylized floral cluster of domed form accented with a ribbon, set with 10 round diamonds weighing approximately 5.00 carats, 10 pear-shaped diamonds weighing approximately 4.00 carats, 34 marquise-shaped diamonds weighing approximately 15.00 carats and 47 baguette and tapered baguette diamonds weighing approximately 5.00 carats, mounted in platinum.