NGJA
National Gem and Jewellery Authority
Sri Lanka's official authority for certifying gemstone origin and quality.
Assurance
Certification & Integrity
Integrity is at the heart of every stone we offer. Supported by recognised certifications and approvals from GIA, GRS, NGJA, and other trusted institutions, each stone is independently assessed and documented. With Zomrod, what you receive is what we promise: authentic, certified, and held to the highest standards.
GIA
Gemological Institute of America
A globally recognised authority in gemological testing, grading, and certification.
GIC
Gemmological Institute of Ceylon
A Sri Lankan institution specialising in gemstone identification, testing, and certification.
GRS
GemResearch Swisslab
An internationally recognised gemological institute known for advanced gemstone testing and analysis.
GUILD
GUILD Gem Laboratories
A respected gemological institution specialising in gemstone identification, origin, and treatment analysis.
Our Guarantee
What Every Certificate Represents
01
Certified Before Listing
Every stone is independently examined and certified before it is offered.
02
Complete Treatment Disclosure
Whether heated, unheated, or treated, every detail is clearly stated on the certificate.
03
Origin When It Matters
For stones where origin influences value, the country of origin is independently established and documented.
04
The Certificate Travels With the Stone
Every purchase comes with its original certificate, providing a clear record of the stone you receive.