Board Thread:Game Discussion/@comment-13750759-20130729063440/@comment-120.145.17.95-20150611081224

I don't beleive you can. That "send gift challenge" is possible though. Every once in a while when you buy packs of gems and gold you will unlock a special 1-3 star armour to send to one player from your guild or friend list. However, I don't think you can send gems.