Extremely rare and unusual natural color-change sapphire from a brand new deposit in Mozambique. The stone changes from an usual bicolor yellow-green to green in (cool) daylight to smoky pinkish-brown under (warm) incandescent light. The color change is reminiscent of alexandrite. The stone is well cut with high brilliance and has ideal angles with no windowing. The stone is very slightly included and it completely untreated. This is a wonderful stone for a ring or pendant and also has great collector value due to the rare color.