.35 Alexandrite & Diamond Snake Cocktail Ring 18kThis 18 karat yellow gold cocktail ring features a coiled snake design with a . 35 carat oval cut alexandrite at the head. Alexandrite is known for shifting color from green in daylight to purplish red under incandescent light. Fifteen round brilliant and single cut diamonds totaling . 15 carats accent the snake's head and tail, each measuring 1. 3mm. The diamonds add sparkle that frames the color changing alexandrite centerpiece. The snake wraps