ENOfficial
It was narrated from 'Amrah that she heard 'Aishah say: "The hand of the thief is to be cut off for one-quarter of a Dinar or more."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا مُحَمَّدُ بْنُ الْعَلاَءِ، قَالَ حَدَّثَنَا ابْنُ إِدْرِيسَ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ عَمْرَةَ، عَنْ عَائِشَةَ، قَالَتِ الْقَطْعُ فِي رُبُعِ دِينَارٍ فَصَاعِدًا .
sunnah.com