A ruby and diamond trilogy ring in 18ct yellow gold, centred with an oval-cut ruby of purplish-red colour, approximately measures 6.0 x 3.7 x 3.0 mm, flanked by two brilliant-cut diamonds with an estimated total weight of 0.31ct, tapered shoulders leading to D-section shank, London hallmarked with maker's mark 'ATLd', size O, total weight of item 3.9 grams.