A tourmaline, diamond and seed pearl pendant necklace

A tourmaline, diamond and seed pearl pendant necklace
The multi-row seed pearl torsade necklace with hexagonal pendant, set to the centre with a hexagonal cabochon green tourmaline within a brilliant-cut diamond surround, to twin diamond collet surmounts and diamond set foliate cusp suspensions, the seed pearl necklace to a reeded rectangular barrel clasp, 40.0cm long