Vintage Ruby, Diamond & Demantoid Tulip Pin

Centering a tulip pave set with Old European, Old Mine & Single cut diamonds weighing approx. 0.56ctw., flanked by two tulips, one with rubies ranging in size from 1.5-1.7mm, and one with Demantoid garnets measuring approx. 1.5-1.7mm., fashioned in silver & 18k yellow gold. 1 7/18 x 1 1/4 inches.