Soon, 2 readers came up with some suggestions. Jeanine says she now has some on order and will let me know when they arrive! How lovely to help each other out from opposite sides of the world!
The first place I thought of looking was Cecile and Boyd - a homeware store in Durban .They did not have the lampshades we were looking for - But it is one of my most inspiring Decor Destinations.
According to their web sight "Cecile and Boyd's have a subtle yet distinctive style that blends International design with African influences, classic with contemporary"
If ever you are in Durban, a visit to their showroom is a must!