Opal and diamond bracelet, designed as a line of five open work plaques centring an oval cabochon opal within a brilliant-cut diamond surround accented by round cabochon opals and diamond clusters framed by a diamond set border, the opal and diamonds together weighing approximately 5.50 carats and 6.25 carats respectively, mounted in 18ct white gold, gross weight approximately 87.00 grams, length approximately 178 mm, four diamonds deficient