Nikos Koulis 18K White and Yellow Gold Diamond Together Ring
From Moda Operandi
The Greek designer's name is rather synonymous with the Art Deco creations that have become his signature—and a red carpet staple. You'll find them here; alongside new glossy; yellow and white gold designs handcrafted in Athens by a father-son goldsmith duo. They make for a fresh finishing touch to an all-black look.