SGL Certificate

Solitaire Gemmological Laboratories (SGL) SAMPLE CETRIFICATE 

We Empower You to Make Confident Jewelry Decisions

At SIROI JEWELS, transparency, trust, and customer satisfaction are at the core of our brand. Every gemstone we offer is crafted with precision and backed by complete authenticity. To ensure absolute peace of mind, we provide you with the option to choose a reliable, third-party gemstone lab-testing report, along with our SIROI JEWELS Certificate of Authenticity.

We believe informed customers make confident choices—and your trust means everything to us.

Trusted Gemstone Certification Partner

To maintain the highest global standards, SIROI JEWELS offers certification from one of the world’s most respected gemstone grading institutions:

Solitaire Gemmological Laboratories (SGL)

Internationally Recognised | Secure | Reliable

SGL is a globally trusted authority in diamond and gemstone certification, known for accuracy, advanced technology, and strong security protocols.

Why SIROI JEWELS Chooses SGL

SGL Labs has a strong international presence across 5 countries, 23 locations, and 198 geo-footprints worldwide, with headquarters in London and New York. They specialize in grading both natural and lab-grown diamonds and gemstones.

Every SGL certificate is issued by experienced gemologists and supported by state-of-the-art grading technology, ensuring consistency, accuracy, and reliability.

Advanced Security Features on SGL Certificates

To prevent tampering and ensure authenticity, SGL certificates include multiple security layers:

  • Hologram Protection
  • QR Code Verification
  • UV & Micro Text
  • Special Security Paper
  • Tamper-Evident Diamond Sealing

Each certificate is digitally recorded, allowing customers to verify, view, and download reports online while maintaining complete privacy.

Easy Online Certificate Verification

Verify your SGL diamond or gemstone certificate in just a few steps:

  1. Visit: https://sgl-labs.com/report-verification/
  2. Enter your certificate number or scan the QR code
  3. Click Submit to instantly confirm authenticity

Our Commitment to You

At SIROI JEWELS, we stand behind every piece we create. If you need assistance with certificate verification or have any questions, our customer support team is always ready to help.

Authentic Jewelry. Certified Confidence.

Choosing SIROI JEWELS means investing in fine craftsmanship, certified gemstones, and complete peace of mind. Every purchase includes a brand certificate of authenticity and your chosen lab-testing report, ensuring transparency at every step.

Frequently Asked Questions (FAQs)

1. What is a gemstone lab-testing report?

A gemstone lab-testing report acts as an official identity document for your gemstone. It verifies the gemstone type, origin (natural or lab-grown), and quality characteristics.

2. Why are gemstone certificates important?

Lab certificates provide:

  • Independent verification
  • Transparency in gemstone quality
  • Documentation for insurance and resale

3. How long does SGL certification take at SIROI JEWELS?

SGL lab testing typically takes 1 – 4 business days when selected through SIROI JEWELS.

4. What information is included in an SGL report?

  • Unique certificate number
  • Gemstone description and origin
  • 4Cs grading (primarily for diamonds)
  • Proportions and internal/external characteristics
  • Treatment or enhancement disclosures
  • Photographic references (where applicable)