Ilona makes individually designed crafted jewellery mainly from semi-presious gemstones, glass and porcelaine beads with metal findings. She accepts custom-orders, indicating client-engaged production method rather than mass production. In the range of her products are necklaces, bracelets, earrings, rosaries, decorative bookmarks and keyholders, which reflect both traditional inspiration and contemporary design sensibility. She creates traditional costumes for folk dance ensembles and also designs and makes contemporary clothing with folk motifs and elements. Her costume-making work is grounded in systematic source research. Her works, which have received awards and professional jury recognition, are regularly featured in exhibitions. Among her works are also knitted traditional folk item