Description & Technical information

Millegrain edged, open set in platinum, stamped 'IRID PLAT' and with maker's mark, approximately 2.75cts in all
Weight: 18.5g

Date:  c.1915
Period:  Early 20th century
Medium: Diamond
Dimensions: 18.5 cm (7¹/₄ inches)
Categories: Jewellery