The unique feature of this alexandrite is a strong color change which is the main factor defining the value of this gemstone. The stone is easily changing color from deep green to reddish purple, which makes it a rare collector's gem. The color change is so STRONG that it can be easily observed not only in a candle light, but any incandescent light like any yellow low watt electric lamp's light. Metal - 18kt solid white gold Gemstone - Natural Alexandrite Gemstone size - 5.2x4.4mm(native cut) Gemstone quantity - 1 Gemstone total weight - 0.52ct Accent stone - Natural Diamond Accent stone quantity - 11 Accent stone total weight - 0.12ct Gold weight - 2.80g Pendant measurements - 30x15mm