7.00 carat Pear shaped genuine turquoise set in three prongs and drops 1 1/2 inches long 1.2-carat total diamond weight 48 round brilliant diamond halo around the turquoise 25 round brilliant diamond pave set cluster The necklace is a 20 inch long, 1 mm wide cable chain There is a lobster clasp with "18K, 750, Trésor" stamps on it