Description & Technical information

The circular onxy panels centred by a diamond cluster ground, of larger round brilliant cut diamond collet to middle bordered by a geometric design pierced and millegrain set with rose cut diamonds, mounted in platinum, fittings with various indistinct marks, the connectors marked SGDG BREVETE.
Weight: 12.5g

Date:  c.1915
Period:  Early 20th century
Medium: Diamond and onyx
Dimensions: 1.3 cm (0¹/₂ inches)
Categories: Jewellery