Natural & Synthetic Mixed Gemstone Chip Braided Bead Finger Ring, Adjustable Ring, Size: about 27.5mm inner diameter, 0.5~15mm wide.âPlease Note: These Gemstone May Include Synthetic Turquoise, Natural Amethyst, Natural Lapis Lazuli, Natural Green Aventurine, Natural Carnelian, Natural Tiger Eye, Natural Garnet and so on(as the picture shows). but as it is a mixed product, the stone type is delivered randomly, please refer to the actual product delivered.