Ring Art Nouveau Perle Fine Baroque Emerald and diamonds

Rare Art Nouveau ring yellow gold and 18kt rose (hallmark: horse's head), set with a baroque pearl (probably fine), overhanging a round emerald weighing approximately 0.25Ct, and two diamonds rose-cut emeralds. French Art Nouveau work, circa 1890. Gross weight: 3.64 gSizeSize: 53 (diameter 16.75/ US 6.25). Height: 2.60 cmWidth: 1.40 cm Condition: very slight micro-scratches on the gold parts and stones, traces of soldering and glue on the back, see photos.   Art Nouveau gave birth to a new generation of jewelers, Lalique and Vever as leaders. For the first time in centuries, they no longer based the value of a piece of jewelry on its weight or the materials used. The result is a creative, uninhibited jewelry that combines precious stones, fine and hard gemstones, colored glass and organic materials. It was also the heyday ofenamel worked in cloisonné or plique-à-jourin the style of cathedral stained-glass windows All our antique rings.