The price for one full Radiant Star Amethyst is 17,9 million. The auction house prise is about 19.5 million at the moment. But with the cuts being 15% its actually brings in lower cash than the marginal cost.
Perfect stars are about 6 million cash. But I dont have one of those in store atm.
If you want to bring your own mats then a Radiant star Amethyst will need.
1628 Tome of secrets
729 flawless square amethyst.
15.4 Million gold to upgrade all the gems with.
1.1 Million in tip considering I spent 7 M for the recipies.
15 minutes of mine time to convert all the gems since the crafting system is flawed atm.
CaelumMan#2332 is my battletag. I'll be gone between the 15th and 22nd of july however. Else I'll be available plenty of hours per day.