Which of the following statements about diamond are correct?_x000D_ 1. It is used as a gem in jewellery because of its ability to reflect light._x000D_ 2. It is a good conductor of electricity_x000D_ 3. It is used for cutting glass, marble stones and other hard materials_x000D_ 4. It is used for drilling of rocks_x000D_ Select the correct answer using the code given below:

• A. 1, 3 and 4
• B. 2, 3 and 4
• C. 1, 2 and 3
• D. 2 and 4 only