An amethyst, coral, emerald, rock crystal quartz, diamond and enamel pendant necklace,, David Webb

An amethyst, coral, emerald, rock crystal quartz, diamond and enamel pendant necklace, David Webb
composed of carved amethyst beads, measuring approximately 10.7 to 8.2mm, interspersed by fluted coral and rock crystal quartz beads capped with round brilliant-cut diamonds and white enamel trim, suspending a carved coral plaque of mythical creatures, to an emerald bead, each framed by white enamel, accented by round brilliant-cut diamonds; signed Webb; estimated total diamond weight: 12.50 carats; mounted in platinum and 18k gold; gross weight approximately: 363.90 grams; length: 26 1/2in.