A group of five rings

A group of five rings, comprising: a diamond solitaire on a yellow gold band, size J, British hallmark for 18ct gold, date letter 1890, inscription dated 1939, 0.45 carat brilliant-cut diamond loose; a diamond three-stone ring in 18ct yellow gold, size L, one diamond deficient; a band decorated with twists of brilliant-cut diamonds in millegrained borders, size J, British hallmark for 18ct gold; a gold ring set with cushion-shaped diamonds in star surrounds, size M1/2, British hallmarks for 18ct gold, 1902; and a plain gold wedding band, the interior with a dedicatory inscription, size K, British hallmark