Mixed Gemstone Round Beads (Mix of natural, altered, and synthetic crystals) Uniqueness Guaranteed: Every item is one-of-a-kind, making them ideal for all projects or designs. Avg Size Range: (13 To 15 Millimeters Outer Diameter, 5 Millimeter Hole) Sizes Vary Slightly This assortment of gemstone beads is perfect for art projects and creating beautiful jewelry pieces. Each set contains a random selection of gemstones from all over the world, and no two lots will be the same. Handmade items vary in size, shape, and color when selected randomly (the highest quality items are chosen first). They'll be as beautiful as those in the photos.