Skip to content

Recent Posts

  • GCAL Opens Jewelry Certification and Quality Assurance Lab in Mumbai’s SEEPZ
  • From Surat to IIJS: My View on India’s Next Diamond Chapter
  • GCAL by Sarine Expands 8X® Cut Grade to Cushion Cut Diamonds
  • 25 Years of GCAL: A Letter From Our Family
  • Grown Diamond Corporation Launches D-Flawless GCAL 8X Collection

Most Used Categories

  • Diamond (71)
  • Newsletter (34)
  • Press Release (28)
  • Podcast (6)
  • Product (4)
  • Webinar (3)
  • Service (3)
  • Blog (3)
Back to Home GCAL by Sarine logo

  • EXPERT SERVICES
    • Jewelry Appraisals
    • Damage & Restoration Advisories
    • Risk Analysis for Insurance
    • Inventory & Collateral Audits
    • Forensic & Litigation Support
    • Law Enforcement Support
    • Donald A. Palmieri Bio
    • Palmier’s Market Monitor
    • Contact Us
  • Lab Services
    • Cut Analysis
    • Photography
    • Gemprint
    • Laser Inscription
    • Quality Assurance
    • Natural Diamond Verification
    • Precious Metal Testing
  • GRADING AND CERTIFICATION
    • GCAL 8X Cut Grade
    • Natural Diamonds
    • Lab Grown Diamonds
    • Fine Jewelry
    • Colored Diamonds
    • Colored Gemstones
    • Cultured Pearls
    • Verify Your Certificate
    • Jewelers Mutual Insurance
    • New Client Application
    • Submission Instructions
    • Elements of a Guarantee Certificate
  • 4C’S LEARNING CENTER
    • Diamond Carat Weight
    • Diamond Color
    • Diamond Clarity
    • Clarity Photomicrograph Gallery
    • Diamond Cut
    • Diamond Certification
    • How the 4C’s Affect Price
    • Instructional Diamond Grading
    • Beyond the 4Cs
    • Jewelry Consumer Resources
  • THE GCAL ADVANTAGE
    • Our Philosophy
    • Our Standards
    • Our Guarantee
    • ISO 17025 Accreditation
    • Diamond Journey
    • GCAL CV
    • Testimonials
    • In the Media
    • Contact Us
Welcoming Avi Levy: GCAL by Sarine’s New Chief Growth Officer
Press Release

Welcoming Avi Levy: GCAL by Sarine’s New Chief Growth Officer

FOR IMMEDIATE RELEASE GCAL by Sarine Appoints Avi Levy as Chief Growth Officer New York, NY — April 21, 2025 – GCAL by Sarine has

by Angelo Palmieri
Industry Leaders Introduce Certified Hybrid Diamond Master Sets—A Game-Changer for Color Grading
Diamond, Press Release

Industry Leaders Introduce Certified Hybrid Diamond Master Sets—A Game-Changer for Color Grading

For the first time, gemologists and jewelers will have access to an innovative solution for diamond color grading. Developed in collaboration with the Accredited Gemologists

by Sharrie Woodring
Sarine and De Beers’ Tracr Sign Agreement to Collaborate on Technology-Driven Diamond Traceability
Diamond, Press Release

Sarine and De Beers’ Tracr Sign Agreement to Collaborate on Technology-Driven Diamond Traceability

Collaboration with Tracr enhances Sarine’s and Tracr’s traceability solutions by integrating rough diamond source data registered by the producer with precision manufacturing data, enabling a

by Angelo Palmieri
Polar Plunge: Using Cross-Polarized Filters for Diamond Testing
Diamond

Polar Plunge: Using Cross-Polarized Filters for Diamond Testing

Natural or lab grown? This is one of the most pressing questions in the diamond world, and one that prompts many to send their diamonds

by Kayla Ende
How Videos Showcase Diamonds
Diamond

How Videos Showcase Diamonds

The Variety of GCAL by Sarine’s Video Styles: In the evolving world of diamond presentation, visual impact is everything. Whether you’re engaging customers online or

by Angelo Palmieri
Responsible Luxury Podcast: Angelo Palmieri-AI Disrupting the Diamond Industry
Diamond, Newsletter, Podcast

Responsible Luxury Podcast: Angelo Palmieri-AI Disrupting the Diamond Industry

On this episode, we explore the latest diamond grading innovations, including GCAL’s introduction of the 8X standard in 2021, surpassing traditional triple excellent grading. GCAL,

by
Diamond, Newsletter, Press Release

GCAL Corporate Social Responsibility Policy

GCAL Annual Corporate Social Responsibility (CSR) Report 2023-2024 1. Executive Summary In 2023, and the first half of 2024, GCAL by Sarine continued to uphold

by
Diamond

Screening and Detection – Real Life Scenarios and Solutions

Join us as we identify colorless gemstones and jewelry with special guest Alberto Scarani, Co-Founder of MAGI Labs. Explore real-life scenarios and learn about screening

by
Diamond

JCK 2024: Event Highlights and Industry Insights

JCK 2024 in Las Vegas once again proved itself as the premier gathering for the jewelry industry, flaunting dazzling innovations, pivotal shifts, and fascinating trends.

by
Diamond

The 8X Cut Grade – Focus on Fancies

In 2021, GCAL introduced the 8X Cut Grade for Round diamonds that evaluates eight grading factors with the goal of identifying the finest-cut stones on

by
1 2 3 4 … 8

Recent Posts

  • GCAL Opens Jewelry Certification and Quality Assurance Lab in Mumbai’s SEEPZ
  • From Surat to IIJS: My View on India’s Next Diamond Chapter
  • GCAL by Sarine Expands 8X® Cut Grade to Cushion Cut Diamonds
  • 25 Years of GCAL: A Letter From Our Family
  • Grown Diamond Corporation Launches D-Flawless GCAL 8X Collection

Categories

  • Blog
  • Diamond
  • Newsletter
  • Podcast
  • Press Release
  • Product
  • Service
  • Webinar

Subscribe to our blog!

  • EXPERT SERVICES
    • Jewelry Appraisals
    • Damage & Restoration Advisories
    • Risk Analysis for Insurance
    • Inventory & Collateral Audits
    • Forensic & Litigation Support
    • Law Enforcement Support
    • Donald A. Palmieri Bio
    • Palmier’s Market Monitor
    • Contact Us
  • Lab Services
    • Cut Analysis
    • Photography
    • Gemprint
    • Laser Inscription
    • Quality Assurance
    • Natural Diamond Verification
    • Precious Metal Testing
  • GRADING AND CERTIFICATION
    • GCAL 8X Cut Grade
    • Natural Diamonds
    • Lab Grown Diamonds
    • Fine Jewelry
    • Colored Diamonds
    • Colored Gemstones
    • Cultured Pearls
    • Verify Your Certificate
    • Jewelers Mutual Insurance
    • New Client Application
    • Submission Instructions
    • Elements of a Guarantee Certificate
  • 4C’S LEARNING CENTER
    • Diamond Carat Weight
    • Diamond Color
    • Diamond Clarity
    • Clarity Photomicrograph Gallery
    • Diamond Cut
    • Diamond Certification
    • How the 4C’s Affect Price
    • Instructional Diamond Grading
    • Beyond the 4Cs
    • Jewelry Consumer Resources
  • THE GCAL ADVANTAGE
    • Our Philosophy
    • Our Standards
    • Our Guarantee
    • ISO 17025 Accreditation
    • Diamond Journey
    • GCAL CV
    • Testimonials
    • In the Media
    • Contact Us
Copyright All Rights Reserved 2025