Jay, Just get the ReetTech Starburst monti cap from someone and let it grow, it has a base of orange/red, then the green and purple will come in over time as it grows larger and is happy. I don't know about the above frag, as in did it graft with a coral nearby in the sellers tank but the regular RT Starburst Cap will show three colors when happy and larger.
There is also the WWC grafted cap that has two colors, red and green swirling through it. Its sweet as well. Lots of it out there.