Ok is 3 items to make the Group ear is as follows:
1st item is Round Cut Conflagrant Diamond: Round Cut Tool, Conflagrant Diamond, Jewelers Glass, Cleaning Solution
2nd item is Marquise Cut Conflagrant Diamond: Marquis Cut Tool, Conflagrant Diamond, Jewelers Glass, Cleaning solution
3rd item is Duo Conflagrant Earring : Earring Mold, Cleaning Solution, Duo Setting Tool, Enchanted Conflagrant Platnium(Conflagrant Platnium Enchanted is a drop item in game)
Combine all 3 for Summoner's Conflagrant Earring