Where Gems Meet Elegance

WELCOME TO DONAI

The World's Most Precious Gems at DONAI

Welcome to Antwerp's premier source for high-grade natural gemstones — trusted by global jewellers, designers, and collectors. Our core lies in precision-selected gems, while a select few are transformed into exclusive jewellery creations.

OUR GEMS

Finest Gems Across The City

Sapphire Selection

Emerald Line

Ruby Collection

Precious Gems

The Tourmaline Renaissance

Emeralds Reimagined

OUR JEWELS

Explore by Stylish Jewels

View

Emerald Gemstone

Finest quality natural emeralds from Burma

View

Precious Stone

Precious Stones from Ceylon

View

Semi Precious

Carefully curated semi-precious gemstone collection

View

Emerald

Rare Emerald from the foothills of Kilimanjaro

Welcome to Donai

Built on Craft. Driven by Clarity.

At DONAI, we've spent over two decades in the global gem trade, choosing not just beautiful stones, but the Precious, most valuable ones that pass through Antwerp's elite networks.

Every gem is ethically sourced, certified, and meticulously graded — built to serve legacy jewellers and high-end connoisseurs.

Our Inventory

View

View

Explore Full Inventory

10+

Certified by the World's Finest Gem Labs

Every gemstone is accompanied by certifications from globally recognised laboratories, including GIA, SSEF, GRS, HRD, and Gübelin, ensuring authenticity and quality.

Evaluated under rigorous industry standards in Antwerp, the heart of the gem trade, our gems meet the highest benchmarks of excellence.

GIA-CERTIFICATE

When buying a gem, its grading is a key focus. The grading certificate serves as its identity, proving quality and authenticity.

GRS-CERTIFICATE

GRS (Gem Research Swisslab) specializes in origin determination of colored gemstones, providing detailed reports on treatment history and geographical origins.

GUBELIN-CERTIFICATE

Gübelin Gem Lab is a prestigious Swiss institution known for its scientific rigor in gemstone analysis, combining cutting-edge technology with over 100 years of expertise.

SSEF-CERTIFICATE

SSEF (Swiss Gemmological Institute) provides world-renowned testing and certification services, emphasizing scientific excellence and independence in analyzing precious gems.