Art Nouveau 14K Yellow Gold Aquamarine Sapphire Diamond Necklace. Finely detailed and elegantly presented are the gemstones in this lovely gold necklace. Likely from the 1900s and crafted in 14K gold. A nice size aquamarine is the focal stone with a complimentary blue sapphire and teardrop aquamarine as the dangle stone. A small clear diamond catches one's eye at the top. Approximate measurements 9 inches hang length, pendant 1 3/4 inches long by 5/8 inches wide. Weight 4.75 grams. A lovely Nouveau piece in excellent condition and ready to wear.