1.5mm black brilliant cut round diamonds 1ct is 50 pieces approx Please consider the level of magnification of this photo. These diamonds are treated diamonds and are Conflict free from South Africa. We have sourced a wonderful collection of colored diamonds that are very popular with designers.Take care when setting these diamonds as diamonds will cleave and shatter the same as any other gemstone if the wrong pressure is applied. These are included diamonds. We cannot give refunds for breakages.Measurements 2mm approx (size may vary slightly) Treatment treated Source South Africa - conflict free Grade Ungraded in diamond grading terms. Color black Please read our terms and conditions before buying.