A diamond dress ring, French, retailed by Moussaieff, of bombé crossover design, each side set with an oval-cut diamond, within a surround of brilliant-cut diamonds, to a reeded hoop, French assay mark, indistinct maker’s mark, retailer’s stamp ‘CLM’, stamped ‘750’, total principal diamond weight approximately 2.70 carats, remaining total diamond weight approximately 5.40 carats, ring size L. £6,000-£8,000