Hello! I can supply 1830555 ct rough topazs in five different sizes: 5-29, 99ct-1653835ct, 30-44, 99ct- 45540ct, 45-99, 99ct- 63960ct, 100-499, 99ct-62935ct and 500+ct-4285ct. Stones are from South Africa. Price for all these stones is 4 500 000EUR. Approximate retail replacement value is 27 000 000 EUR. I have all certificates and estimates. I have also polish diamonds from 5-8 carats (total amount-322, 43 carats) with GIA certificate, placed in New York and Antwerpen. Price: 40% under rapaport's price. These are not one time diamonds. Please contact me for more details-I can send certificates and estimates to Your personal mailbox-. I hope to hear from You soon!Best regards, Gints Audar