Gold-plated sterling silver ring features 10mm x 14mm faceted pear rainbow moonstone with crushed turquoise inlay on each side. Setting measures 11.5mm x 15.8mm with a hammered band that tapers to 2.5mm. ABOUT MOONSTONE - Stone of emotional balance, the moonstone is said to help soothe negative emotions. It is usually a whitish-blue and rainbow moonstone changes color with movement in light. Shades vary, though are usually a blue to pink with yellow. Blue-whitish light glides over the surface when the stone is cut en cabochon. Gemologists call this phenomenon adularescence.