Heart shaped diamond necklace in 18k yellow gold w/ removable emerald pendant drop

Graduated heart-shaped diamond line necklace in 18k yellow gold with approx. 12.5 carats in heart and marquise diamonds (H-I color, SI1 clarity). 16.5 inch length. Removable emerald pendant drop has approx. 5 carats in emeralds and 1 ct in diamonds. 16.5" long