Pink Tourmaline and Diamond Pendant

The oval-shaped pink tourmaline weighing 49.55 carats, within a frame of conforming shape decorated with marquise-shaped diamonds in a pavé-set diamond ground, surmounted by a  diamond-set pendant loop, the total diamond weight approximately 13.00 carats, mounted in 18 karat white gold; together with an 18 karat white gold chain, length 20 inches.