Description & Technical information

Weight: 5.5g,the cushion shaped bombe onyx inset with a collet set principal round brilliant cut diamonds, the corners with scalloped edged diamond cluster detail, diamond line shoulders, trace of serial number possibly 07347, trace of maker's mark (illegible).
Length of head 1.2cm / 9/16''

Date:  1915
Period:  Early 20th century
Medium: Diamond, Onyx
Categories: Jewellery