Imitation Loose Stones, Gradation Set Loose stones removed from imitation rings. Each stone was selected based on its color and transparency, and arranged in a gradation for a beautiful appearance. They can be used as is for display, as color samples, for accessory making, or as collage materials. They are likely zirconia, artificial stones, glass, etc. Detailed identification has not been performed. Please understand this before purchasing. Comes with a 6x6cm loose stone case. *Only the light yellow-green stone has a noticeable chip, but it was included because of its beautiful color. Please check the image. There are no other noticeable chips. Thank you for viewing.