Natural Peridot Stones. The shapes, sizes, and weights are all different from one piece to the other. Each stone is about approximately 1/4 To 1/3 Inch in size. Each stone weight approximately between 3 To 4 Grams. You will receive ONE Stone per quantity of your order. The image showing a group of stones is intended to show the variations in the sizes and shapes of the stones. The peridot stones listed here comes from the mines in Pakistan. These are natural gemstones that are of good quality. These stones are typically sold at the rate of $10 per gram. The Green color of Peridot stones has caught the attention of jewelry makers, jewelry lovers, and natural gemstone collectors. When cut, the green sparkling stone is irresistible. Here is your chance to own a Peridot crystal.