Important ring in yellow gold 750°°° and platinum, (eagle head and dog hallmarks) bezel 2.5 x 2 cm. The openwork basket holds a rectangular amethyst (16.4 x 12 x 7.5 mm) weighing approximately 10 carats in a setting of twenty brilliant-cut diamonds for a total weight of approximately 2 carats. Gross weight: 18.3 g. TDD with two size 52 setting bars.