Art Nouveau Design Bee Diamond Tanzanite 18K Gold Necklace Signed RDO

This is a stunning vintage Art Nouveau style necklace signed RDO 18k with a 14k gold rope chain. The pendant has a bee design set with a round brilliant cut diamond and pear shaped Tanzanite. The diamond is H color VS-2 clarity .10 carats. The Tanzanite is natural with nice deep purple blueish color. Bee portion measures 33mm by 24mm, necklace measures 17.5 inches, Weight 10 grams, Excellent condition