Tricky Theft

A jewellery shop owned by Mr.Mallya has $N$ diamonds numbered $1, 2, 3,....N$. The coordinates of diamond $i$ are ($x_i$,$y_i$) (the shop can be regarded as a 2d plane) and the value of the diamond is $v_i$. You want to steal some of these diamonds and give it to the poor. There are M conditions, Condition $1,2,...,M,$ that must be met when stealing diamonds, or you will be caught by the detectiv