I know what the thread is about and as you might have noticed I replied to Satan's post. Plus I was only suggesting that it was another way to make easy money too. Not that it was the best way, but just another way to get rupees. If people say "there are easier ways" fine. That's fine to me. I...
Yes of course but you get a diamond if you give that guy 10 Luminous stones. I haven't tried out other ways yet but the idea of getting one diamond is very nice.
Just cook 5 pieces of raw meat/meat together and sell it for 250 rupees. Sell 10 pieces of the blue stone to the guy at Zora's palace and he'll give you a diamond in exchange. You can sell the diamond for 500 rupees.