No. Sorry this is not possible. One of my earlier blogs I talked in detail about how images are actually engraved inside crystal. You can read this blog to build a complete understanding on this process but if you want a real quick explanation than here it goes.
These images are engraved inside crystal through a laser beam. The laser beam penetrated through the surface of the crystal and starts rupturing the crystal in forms of tinny dots to create the image you want. Since technically no material enters a solid block of crystal we cannot put color inside 3D engraved crystal.
Hope this was helpful. As always do leave me a feedback below.
