How to drill gemstones

Sometimes we need to drill gemstones for our customers like drill cubic zirconia, spinel, ruby and sapphire. Do you know how to drill hole in stone? It's easy to drill hole by a professional ultrasonic wave machine. We can drill hole diameter include 0.80   0.90   1.00   1.50   2.00   2.50 3.00mm. We are not only drill gemstones by hand but also do it by automatic machines if you have a bulk order to make. We can drill hole for different shapes of gemstones. Here is a drill gemstone machine shown as below:

If you would like to drill gemstones, please feel free to contact us by