Diamond

GCAL DNA Video

GCAL protects consumers, retailers, and manufacturers with a unique suite of certification, identification and forensic services for lab grown and natural diamonds, gemstones, and jewelry.

Diamond

GCAL Achieves SCS Accreditation

GCAL First Gem Lab Worldwide Accredited to Support the Origin Traceability Requirements of the SCS-007 Sustainability Rated Diamond Program Using GCAL Guaranteed Certificates, retailers can

Diamond

GCAL 8X Video

Gem Certification & Assurance Lab (GCAL), world renowned for accurate, consistent and ethical gemstone grading, has announced the industry’s first major change in diamond cut