Thank you for viewing. Chrysoberyl cat's eye is a gemstone that, when cut en cabochon and illuminated from above, displays a streak of light on its surface that resembles a cat's eye. This phenomenon is called the cat's eye effect or chatoyancy, and chrysoberyl cat's eye is a representative gemstone that exhibits this effect. Material: Gold, K18 stamped Size: 17 Weight: 3.43g Center Stone: Natural Chrysoberyl 0.829ct Side Stones: Natural Diamond 0.18ct Accessories: Appraisal card No scratches or discoloration