A blue chalcedony and brilliant-cut diamond ring, by Margherita Burgener.Signed Margherita Burgener.Estimated dimensions of chalcedony 20.3 by 20.1 by 9.5mms.Estimated total diamond weight 0.30ct.Stamped 750, Italian marks. Ring size N. 25.1gms. Overall condition good. Minor surface scratches/wear in keeping with general age and wear. Diamond fairly well matched. Diamonds fairly bright. Individual size and setting of diamonds prevents accurate colour and clarity assessment. Chalceondony fairly light purplish blue, fairly well saturated, with typical inclusions. Stones in good condition with minor abrasions. Virtual viewings available by appointment. Please email hello@fellows.co.uk to book virtual appointments. Condition reports are offered as a guide only and we highly recommend inspecting any lot to satisfy yourself as to its condition.