A collection of jewellery

A collection of jewellery, comprising: Lalaounis, a silver pendant necklace, the pendant of openwork egg-shaped design to a snake-link chain, maker's mark for Lalaounis, stamped GR 925 A21, pendant length 2.8cm, chain length 45.5cm, case stamped Ilias Lalaounis; a diamond cluster ring, set with baguette-shaped and single-cut diamonds to a gold shank, stamped 10k, size M, case; four mother-of-pearl and onyx dress studs in silver, London hallmarks, maker's mark CT for Charles Tyrwhitt, diameter 9mm, case; Halcyon Days, a red enamel and gold-plated bangle, of hinged design decorated with a Greek key motif, signed Halcyon Days, inner circumference 17cm; a pair of gold cufflinks, monogrammed 'DMD', marks rubbed, terminal width 1.7cm; a pair of gold cufflinks, decorated with floral engraving, terminal width 1.7cm; an emerald and diamond three-stone ring, set with a step-cut emerald between two old cushion-shaped diamonds in gold, mark rubbed, size O; a 9ct gold and diamond bar brooch, centred with a round brilliant-cut diamond, London hallmarks, length 5.3cm; and a diamond brooch, designed as a floral spray within a circular border, set with rose-cut diamonds in silver and gold, one diamond lacking, width 2cm