Three diamond and gem rings

Three diamond and gem rings <BR> The first a late 19th century marquise cluster with central marquise ruby and old-cut diamond surround, to a plain hoop, <I>circa 1890</I>; the second of half hoop design, the three oval sapphires with old-cut diamond spacers to engraved shoulders and plain hoop, mounted in 18ct. gold, <I>hallmarked Chester 1906</I>; the third of marquise shape set with old brilliant-cut diamonds to bi-furcated shoulders, <I>circa 1890, one diamond deficient</I> \t (3)<BR>