![]() Once all sides have been completed, grab the 400 grade and repeat the previous steps – making sure that you re-coat the paper and the stone with water in between each stage to avoid cross-contaminating the grits.Repeat step three to create several facets and form a rough shape for your gemstone.Polish the stone by rubbing the gemstone over with the sandpaper and water to create a smooth facet.Pour a small amount of water onto the centre of the sandpaper.Be sure to work on a stable surface so the chopping board doesn’t move around – you may want to lay down a tea towel underneath the board for further support. Lay the lowest grade sandpaper (the 180 grit) out onto the chopping board rough side up.Wet and dry sandpaper in four grits – 180, 400, 6. ![]() ![]() It is also an ideal way for polishing gemstones for those who are just dabbling in using stones for their jewellery projects and aren’t looking to sell just yet. Using sandpaper is a less precise and technical way of polishing gemstones, however it’s are an efficient way of experimenting with how you’d like your stones to look. Polishing stones by hand doesn’t have to be an arduous task. How to cut gemstones by hand: using sandpaper ![]()
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