Where can I find a large circular patchwork buckwheat floor cushion?

My great uncle bought all of his when he was living in Madagascar and they are very intricate with beading and leather trim and such. I remember sitting on these when I was little and I really miss them. I am moving into a different apartment next year and would love to have some for extra seating. I don't care so much about the beading, but I would like something that looks Bohemian-esque to match the rest of the decor. I can't find any besides plain ones that look too much like Ikea.