Antique Brooch Art Nouveau .24 Old European Cut Diamond & .24 Emerald Cut Emerald in 14k Yellow GoldWe cant stop thinking of creative ways to wear this antique Art Nouveau era brooch in your hair, on a coat, on a scarf its endless. The simple oval shape has a matte finish and is flush set with four (4) Old European Cut Diamonds and four (4) emerald cut emeralds and in 14 karat yellow gold.