Solve this one There r seven thieves

Solve this one!!!!
There r seven thieves
They steal diamonds from a diamond merchant and run away in jungle
While running, night sets in and they decide to rest in the jungle
When everybody's sleeping, two of the best frnds get up and decide to distribute the diamonds among themselves and run away.
So they start distributing but find that one diamond was extra.
So they decide to wake up 3rd one and divide the diamonds again .....only to their surprise they still find one diamond extra.
So they decide to wake up fourth one.
Again one diamond is spare.
5th woken up......still one extra.
6th still one extra.
Now they wake up 7th and diamonds are distributed equally.
How many diamonds in total they steal???

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