AN ANTIQUE DIAMOND AND ENAMEL LOCKET, the gold rose with enamelled leaves and flowers on a white pâte de verre ground with red enamel border bearing the legend 'Jamais La Rose Sans L'Epine' with a rose-cut diamond border and bow surmount, circa 1810; a pearl and green guilloché enamel lattice work oval locket with glazed reverse to a pearl and enamel loop, circa 1860; and an Edwardian rose-cut diamond, pearl and green guilloché enamel circular locket on fine link chain, circa 1910