18KT Art Nouveau Opal and Diamond Brooch

The open scrolled gold mount centered with one bezel set oval crystal opal cabochon (23.44 x 13.47 x 9.90mm) weighing approximately 17.5 carats and accented with (2) Old European cut diamonds (4.00mm) each weighing approximately .23 carat (H-I color, SI clarity) completed with a single pin stem and C clasp.

11/16 x 2.5 in.

7.6 dwt.

Opal with excellent play of color showing orange, blue, and green.

Very good estate condition; under magnification opal with crazing and light crack to bottom of stone.

$600 - 1,200