Elinchrom Beautydish alternative

I always feel that brand-name light modifiers are at the upper end of the pricing scale and so look for 3rd parties.

Seems fairly easy for softboxes, reflectors and umbrellas.

But having issues finding 3rd party Beauty-dishes for Elinchrom heads (D-lite 4's)

Anybody any suggestions ?

(UK based)

With the sock and grid the 44cm dish would be ~£200