Site logo
ABOUT THE COMPANY

GCAL by Sarine is a globally trusted leader in diamond grading and certification. Renowned for our integrity, innovation, and independence, GCAL provides retailers and consumers with unmatched accuracy and reliability in diamond grading reports. As the only gem lab offering a 100% guarantee of grading consistency and authenticity, we prioritize transparency and trust.

Backed by Sarine's cutting-edge technology, GCAL is setting new industry standards with proprietary services like the 8X Cut Grade for exceptional diamonds and groundbreaking optical scanning solutions. Our commitment to quality assurance empowers jewelers and enhances consumer confidence, making GCAL a partner of choice for independent and chain retailers worldwide.

Visit us to learn how GCAL can elevate your diamond offerings and build trust with your customers.