1970's Emerald, Ruby & Diamond Tulip Brooch by Giovane

Green Tulip flower brooch by Giovane, crafted in 18k yellow gold, designed with intriguing reverse of traditional flower colors, the head of the tulip is green, composed of emerald beads, each threaded with yellow gold, toped with bezel set round brilliant cut diamond, with a pistil adorn with pave set round brilliant cut diamonds. From the diamond pave stem, comes out a single red leaf, composed of ruby beads each set on the yellow gold wire and finished with a bezel set round brilliant cut diamonds. Secured with hinged double pin and trombone lock. Diamonds total weight approx. 11ct. Color range from G to H Clarity range from Vs to SI Rubies total weight approx. 3ct. Emeralds total weight approx. 25ct. Inscribed Giovane, Italy, 750 (for 18k gold) Made in Italy Weight  64.7g. Measurements   81mm by 52.6mm Circa 1970 Ref# 710-000-530