Tanzanite Octagon Faceted is available in all sizes from 6x4mm to 10x8mm. Other sizes and cutting are also available on demand. All the stones are cut & polished in Jaipur (India). Actual color of the stone may vary from the picture shown. All the stones are with strict calibration and will come approx (+-0.10mm). For any other query or details, please write us at firstname.lastname@example.org.