the Sethi Couture Black Diamond
Bold and confident, black diamonds impart an instant statement with an alluring sense of mystery. We hand select each diamond to ensure the brilliance and quality tells the story of Sethi Couture in every design.
SHOP BLACK DIAMONDSthe Noir Collection
A string of statements, our curated Noir Collection takes the brilliance of black diamonds one step further with styles that showcase intricate briolette and faceted black diamond beads.
SHOP NOIRcarbon Contact
Our black diamonds become glossy and deep in color through a treatment known as HPHT (high pressure high temperature).