The four C's of diamonds are easy to identify: Carat, Cut, Color, Clarity. The four C's of a brand? Maybe not so much. Here, we ask Pietra's jewelry designers to tell us what makes up their four C's: who is their dream celebrity? What is a common trait of all their amazing clients? What is the most prized piece from their collection, and what is unique about their craft.


Bella Hadid, Jennifer Lawrence, and Natalie Portman


A lot of them are also designers or artists; architects, photographers, textile designers, art teachers, journalists and people who work in fashion. Creatives.


Under Earth Cocktail ring. I think this is my signature piece.


I like to experiment with materials, developing my own techniques to bring expressive forms to life in new ways.

To learn more about Niza Huang, shop the collection, or commission a custom piece, visit her profile on Pietra.