Taken from my website, these are just the image files (for full tutorial go to [link]
Although Iíve done this in digital format, the principles are the same, regardless which media you use. The best way to paint gems is to look at them in real life (even paste gems are good enough), and if you donít have real ones, use photographic references to look at the way the light hits.
- Hard round for highlights
- Airbrush at 50% Ė 100% (I normally donít use airbrush, I have custom blending brushes, but you could use Hard round at varying percentages)
1. Generally I start with the darkest tone or at least a mid tone. To make the stone really neat, Iíll often use the selection tool to isolate the stone from the rest of the painting.
2. The light source is to the top right of the gem. I take the airbrush and add a dark mid tone to the upper right hand of the stone.
3. Because gems are transparent, there will be light coming through the stone and out the opposite side of the stone. This is why I add a small amount of light to the lower left. (I probably didnít add enough for this sample, but you get the idea).
4. Add more highlights to the upper right in a mid tone.
Take a harder edge brush, and with a lighter tone add a reflection point
5. I added an extra highlight because I wasnít as happy with the highlight.