Trust & Assurance

Certifications & Patents

Internationally recognized innovation validated by patents and gemological authorities.

Granted Patents

The process of cutting and assembling diamonds to form composite diamonds having enhanced brilliance and shade.

United States patent certificate for C-Cube diamond technology

United States

Japan patent certificate

Japan

Australia patent certificate

Australia

Patent applications also filed in additional countries including Russia.

Gemological Certification

Every C³ jewelry piece carries internationally recognized certification.

GIA — Gemological Institute of America certified IGI — International Gemological Institute certified

Natural Diamond Assurance

Verified natural origin for every fancy color diamond in our jewelry.

BIS Hallmark

Gold purity certified to Indian and international standards.

Conflict-Free

Responsible sourcing and ethical manufacturing practices.

Quality Inspection

Multi-stage quality checks before any piece leaves our workshop.

Request Certification Documentation

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