Who said "What is beautiful about a diamond is not the carbon."?

This quote is attributed to Marie-Laure.

What is beautiful about a diamond is not the carbon. - Marie-Laure

"What is beautiful about a diamond is not the carbon."

Marie-Laure Beauty

Character in All the Light We Cannot See

Buy "All the Light We Cannot See" on Amazon

"It is a terrible thing to live in fear."

"The ocean connects us all."

"Books are a way to escape."

"We must be brave for those we love."

"Beauty comes in many forms."

"Beauty comes from within."

"True beauty lies in authenticity."

"Beauty exists in the most unexpected places."