4mm Sky Blue Opal, Czech MC Rondell Bead (Bicone, Diamond Shape), 5 gross = 720 pieces Superior Quality Czech Crystal Beads, style # 451-69-302 Machine Cut Rondell Bead (also called Bicone or Diamond Cut Bead) Size 4 millimeters (about 0.16 inch). Please see second image for size comparison. Packed by 5 gross (720 pieces) in a white paper envelope Color: Sky Blue Opal 31000. Please note: Images are for informational purposes only. Colors on your screen are affected by monitor settings and different web browsers. Slight changes in shades are unavoidable. Merchandise ships directly from manufacturer's warehouse in RI, USA. "Crystals and Beads for Friends" offers free shipping for orders over $25.