GUARANTEED TO BE GENUINE ANTIQUE AND OF THE PERIOD STATED. A Superb Art Nouveau Antique Locket. Petersburg between 1904 and 1908. The front of the locket is covered with a very fine pale golden green guilloche enamel and applied with a pair of stylized diamond-set cherries within an ornate Art Nouveau gold frame.The lower tip of the shield-shaped locket is embellished with an emerald (approximately 1 carat) of a nice color. The "cherries" are set with two old European cut champagne diamonds (approximately 0.64 ct and 0.76 ct), four rose cut and two old single cut diamonds. The locket is marked with 56 zolotnik standard (14K), initials of St. Petersburg assayer Alexander Romanov and maker's initials. Size 44 x 30 mm 1 3/4 x 1 3/16 in. The item "Superb Antique Russian Art Nouveau Enamel Diamond Emerald Gold Locket" is in sale since Friday, March 20, 2015. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Diamond".com" and is located in Chicago, Illinois. This item can be shipped worldwide.