Briolette of India
... that the recorded history of the Briolette of India dates back to the 12th century, making it possibly the world's oldest diamond on record?
... that the recorded history of the <b id="mwB44"><a href="./Briolette_of_India" id="mwB48" rel="mw:WikiLink" title="Briolette of India">Briolette of India</a></b> dates back to the 12th century, making it possibly the world's oldest <a href="./Diamond" id="mwB5A" rel="mw:WikiLink" title="Diamond">diamond</a> on record?