It looks like the International set to me with slightly different Bishops. Chess pics dot com shows the gals playing with both Bishop versions. Chess cafe sells them cheap. The German Knight feels real good in practice IMO.
What chess set are they using in the FIDE Grand Prix
Can you attest to the quality of the pieces?
Unfortunately I live in South Africa, so shipping will cost more than the price of the pieces. Probably still cheaper than they come in here :).

Pretty sure they're the DGT timeless set since pretty much all top level competition uses DGT eboards and clocks since you can hook everything into a computer.
http://dgtnorthamerica.com/eboards/chesssets.html

Here is a better link. German knight sets are available all over the place. Some of the direct from India vendors carry very similar sets to the DGT timeless (except without the sensors). An outfit like Chess Bazaar is pretty reliable and probably won't charge much for shipping (mostly free for shipment to USA).
http://www.digitalgametechnology.com/site/index.php/products/eboard-chess-sets/34-dgt-timeless-set
EDIT: Might as well throw in a Chess Bazaar link:
The live stream is here.
The set is the usual stanton style, with a gorgous German Knight.
Who makes it?
Where can I get it?