About this 3D model

Obviously this is considerably simplified from the incredibly ornate sunstone you're used to, but it's got enough of that detail to suggest the sunstone while still being printable on a consumer 3D printer. Probably best printed in either a dark green (suggestive of jade) or a metallic color. You probably want to use a horizontal resolution of 0.1 because layers are only about 0.2mm high. Note that even at that resolution, and even with this as simple as it is, you'll need a really good printer to get all the detail -- you can see my printer didn't do so good in PLA, there's definite artifacting at this scale. There are two versions, one with and one without a loop at the top for making it into jewelry.