Let me be clear that I am not sure of the exact reason why we should not wear Gold anklets but i can give you a reason why we could wear .
Wear gold on feet – Encyclopedia of searchable Islamic Questions & Answers. TO WEAR GOLDEN ORNAMENTS IN THE LEGS LIKE GOLDEN ANKLETS,. In the name of Allah, We praise Him, seek His help and ask for His forgiveness. Whoever Allah guides none can misguide, and whoever He allows to fall astray,