A fine cluster gem ring set with a lovely dark cornflower blue oval sapphire 7x5mm, claw set and surrounded by twelve old brilliant cut white diamonds, 2mm each (total estimated diamond weight 0.36-0.40) colour I-j, clarity Si. The head is platinum 12x11mm, depth 6mm, weight 4.4grams. Coronet under setting. The shank is 18 carat white gold. Unhallmarked as typical of early 20th century items (see our FAQs section) Size O-p, we can easily resize either way free of charge, thereafter a small charge. Please email us at checkout or here should you require a re-size. Excellent condition. Gift box with appraisal.