Ubaidullah bin 'Umar bin Hafs عبيد الله بن عمر بن حفص بن عاصم · Chapters on Dress

“Wear white garments, for they are purer and better.”

“Najashi sent some jewelry as a gift to the Messenger of Allah (ﷺ). Among that was a gold ring with an Ethiopian gemstone. The Messenger of Allah (ﷺ) picked it up with a stick – as if he found it distasteful – or with one of his fingers, then he called for his daughter, Umamah bint Abul-‘As, and said: ‘Wear this, O my daughter.’”