Bilbo himself wasn't sure at first why he kept the Arkenstone. Later he used it to eventually make peace with Bard and the other men.
Bilbo found the Arkenstone in Smaug's treasure chamber.
Bilbo gave the Arkenstone to Bard so he could use it to stop a battle between the Elves, Men, and Dwarves. It did not work.
because bilbo gave the arkenstone to bard
Bilbo takes possession of the Arkenstone without telling Thorin.
Bilbo took the dwarven jewel, the Arkenstone.
Bilbo took the Arkenstone. It was the treasure Thorin desired most.
Biblo 'borrows' the Arkenstone.
The Arkenstone of Thrain.
He retrieves it when he is escaping Smaug
Bilbo claimed that under the terms of the contract he was due a proportion of the dragon's treasure, and that he had taken the Arkenstone as his share.
Bilbo hides the Arkenstone from the dwarves because he knew each one was greedy for the Arkenstone and they might kill each other or harm others for it.
Bilbo offers the Arkenstone to Bard and the ElvenKing
Bilbo finds and keeps a gem called Arkenstone.
Bilbo Baggins gave the elvenking the Arkenstone, the prized possession of Thorin.
Well, as he justifies it to himself, he was entitled to a one fourteenth share of the treasure and which fourteenth was not specified. Though he was pretty sure that the Arkenstone would not be a part that he would get.
He wasn't sure, the pale glow mesmerized him until he picked it up.Because he can pick and choose which parts of the 1/14 of the treasure he can keep. Therefor, he chooses the arkenstone.
Bilbo never intended to keep the Arkenstone. He only took it because he saw the feverish greed that overtook the Dwarves when the saw their long lost treasure. Knowing how badly Thorin coveted the Arkenstone, Bilbo kept it and later used it to bargain for his share of the treasure (which he intended to share with Bard and Thranduil). What it revealed was that deep at heart, Bilbo was a good person and only wanted to do what was right. It was why Gandalf was drawn to him in the first place.
Bilbo took the Arkenstone from Smaug's treasure trove. He gave it to the men to use as a negotiating tool.
He brings the Arkenstone to Bard to pay off the 1/13 of the share of treasure. Thorin reacts in anger when he finds out that Bilbo gave Thorin's family treasure to Bard.
He had possession of the Arkenstone.
There are several things that he keeps to himself. He keeps the ring to himself for a while. And when he found the Arkenstone, he didn't tell the dwarves.
thorins is much powerfull
to give bard and the eldenking the arkenstone
Smaug has the Arkenstone in his hoard. Bilbo acquires it from the pile of treasure. He then gives it to Bard. Bard puts it with Thorin when he is buried. That is where it stayed.
It was in Smaug's hoard in the Lonely Mountain. When Bilbo went down there he saw it, took it, and kept it a secret from everyone else.