https://www.piersmotleyauctions.co.uk/catalogue/lot/929ddeb098e3c576e3c274d5fa22abbd/fbd436970b00da2659ddaf1531707ff1/jewellery-antiques-collectables-lot-52/
An 18ct Gold and Diamond Solitaire Ring, c. 3.2mm brilliant cut illusion set stone, Sheffield hallma