You might try this place:
http://www.kiya-hamono.co.jp/english/shop-e.html
They have a store above Mitsukoshimae Station, across the street from the Mandarin Oriental. Prices are generally in the $100-$300 range and can be checked online at this Japanese site:
http://www.ameyokonet.jp/kiya/item_l..._category_id=1