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http://eu.battle.net/d3/en/profile/Time2Kill-1230/hero/23330792
2.1 is adding new legendary gems which can be put in rings and amulets (not yet on the PTR).
And it is adding a new item "Ramalandi's Gift" which can add a socket to a weapon that doesn't have one.
But actual current gems are not changed.
Read more about those two new things at : http://www.diablofans.com/news/48123-legendary-gems-character-copy-cooldown-seasons-to