Searching for a very customizable plugin

Hi everybody,

I need a plugin, a paid one, doesn’t matter but it need to do everything I will write here. Maybe thats why is so hard to find something.

So – I sell rings and I am interested with a plugin which can allo the client to choose:
– the material (white gold, yellow gold, silver, platin)
– the size (from 47-61)
– Gemstone – different sizes , shapes and carats
The problem is that the prices are not the same for different rings because is not an direct relation between the gold quantity and the price – is just a final price for a ring in yellow gold, a final price for a platin ring and these 2 prices are different from another ring in yellow gold or platin. the prices are already made it without a relation between them (here are included some small gemstones and thats why are without a direct relation). To all these I need to add the centered gemstone – which it have also more options – size, shape, carats; I have searched for add on plugins but nothing seems to be ok because all are based on the base price. the plugin in I am looking for maybe will need to extract the prices from a datebase with all the prices – preferable a csv, based on a SKU or id – without a direct relation between the rings.

Thank you very much for your answers!! I hope someone can give me an idea to solve this problem