Pietra Dura Flower Brooch on Yellow Gold bracelet vintage or set in its center with

set in its center with 2 old-cut diamonds

estimated to total approx

reached its peak in the 1920s

slight abrasions on diamonds

There is also red gold

Pietra Dura Flower Brooch on Yellow Gold bracelet vintage or set in its center withPietra Dura" brooch in 18kt yellow gold (hallmark: owl) inlaid with a mosaic of hard stones (lapis lazuli, agate, marble, onyx) representing flowers on a black background, in a finely chased gold surround. Italian work from the 19th century. Gross weight: 19. 50 g Width: 5. 20 cm Height: 4. 20cm Condition: slight micro scratches on the gold parts and stones, a few bumps on the stones, see photos. The pietra dura technique was invented in Florence at