An opal and diamond necklace. Of bi-colour design, the opal cabochons, intersected by a baguette-cut diamond angular line, with textured surround, opal and colourless gem strand highlights and 18ct gold chain. Estimated total diamond weight 0.25ct. Chain with hallmarks for Sheffield, 2009. Length 44cms. Total weight 13.2gms. Overall condition good. Some surface scratches/wear in keeping with general age and wear.Individual size and setting of diamonds prevents accurate colour and clarity assessment. Opal translucent, with green to blue play-of-colour.Estimated dimensions of opal 25 by 14 by 5mms. Stamped 750 and PLAT.Please see the Important Notices for Purchasers for coloured gemstones.Condition reports are offered as a guide only and we highly recommend inspecting any lot to satisfy yourself as to its condition.For any further questions you may have on this lot, please do not hesitate to contact Ben Randall at ben@fellows.co.uk