The minimum purchase for buyers from the EU is 5,000 CZK w/o VAT; for buyers outside the EU, it is 50,000 CZK w/o VAT. 
For larger orders, we offer the following discounts:

over 20,000 CZK (800 €*)5 %
over 50,000 CZK (2,000 €*)10 %
over 100,000 CZK (4,000€*)15 %

Note: these discounts do not apply to the economical packages (products in their original packages), products sold in advantageous set packages, lots of geodes and products on sale.

Customers who purchase products for over 400,000 CZK (16,000 €*) in a 1 year period, are entitled for our personalized VIP programme - VIP customers automatically receive a 15 % discount on every purchase. When shopping online, you will automatically see the discount displayed next to a product – upon reaching the limit, the price automatically updates. So what you see is the final price including the discount. Our VIP customers can see the discount and products' price after they log in to our system. 

*the exact amount in EUR is always derived from current exchange rate