This is a gorgeous vintage ring, which is made of 18 carat gold and is set with two diamonds and an emerald. The central emerald is 5mm in diameter, and the two diamonds have a diameter of 3mm each. So the stones are not only of a fair size (I have seen smaller stones on solitaires), but the diamonds are of a high quality. They are really clear and bright, and I can’t detect any inclusions in them. The entire ring face is 1.4cm long. The inside is hallmarked 750 for London 1977 with the maker’s mark of RGUO. The ring is size J, which is quite a small size, which would probably only fit a younger lady, but it can, of course, be enlarged by a jeweller.