The latest additions to the gem store, through the Fractured! update are Flame-Kissed items. These three pieces (light, medium and heavy) are existing pieces of armour but now have a flame effect. You should note that all 3 cost 800 gems and can be gifted to friends. In addition, the light armor variant is actually the Human Tier 3 cultural which costs around 120g in game and can obviously be worn by any race.