A diamond and gem-set 'Allegra' necklace, by Bulgari, of flexible design, composed of four rows of round cultured pearls, measuring approximately 7.00 mm each, alternately set with vari-cut multi-coloured gemstones including blue topaz, amethyst, peridot, citrine, and pink and green tourmaline, between pave-set round brilliant-cut diamond bar link spacers, signed Bulgari, diamonds approximately 8.00 carats total, mounted in 18 carat yellow gold, Italian assay marks, with maker's case and certificate, inner circumference 34.0 cm, adjustable