Every Stone Tells a Truth — Verified by World-Class Labs
“without gemological report this stone can be a gemstone, or can be a nice glass”
At Angkor Gemstone, we believe trust is the rarest gem of all. That is why every ruby, sapphire, and blue zircon in our collection arrives at your door with its original gemological certificate — no exceptions, no compromises.
100% Authentic
GIA Certified
GUILD Certified
Money-Back Guarantee
CERTIFICATE TYPES — OUR LAB PARTNERS
CERTIFIED GEMSTONES WITH GIA REPORT
GIA Certified Natural Ruby
Our natural rubies come with an original GIA (Gemological Institute of America) report — the most respected name in gemstone certification worldwide.
What the GIA report confirms:
Natural origin verification — confirms the ruby is not synthetic or lab-grown
Treatment disclosure — full transparency on any heat treatment or other enhancements
Geographic origin opinion — identifies whether your ruby originates from Burma, Mozambique, Madagascar, or other renowned sources
Complete characteristics — carat weight, dimensions, color grade, clarity, and cut quality
When you buy a ruby from Angkor Gemstone, you are not just buying a stone. You are buying documented proof of its identity, provenance, and quality.
GIA Certified Natural Sapphire
Every sapphire in our collection is accompanied by an original GIA report, ensuring complete transparency and confidence in your purchase.
What the GIA report confirms:
• Species & variety confirmed — verifies natural corundum, distinguishing sapphire from other blue gemstones
Heat treatment status — clearly states whether the sapphire has been heated and to what degree
Full characteristics listed — precise measurements, weight, color description, and optical properties
Authenticity seal — each report carries a unique number verifiable on GIA.edu From the deep blues of Ceylon to the velvety Kashmir-like hues, your sapphire’s journey is documented and guaranteed.
CERTIFIED GEMSTONES WITH GUILD REPORT
GUILD Certified Blue Zircon
Our blue zircons are certified by GUILD Gem Laboratories, a globally recognized authority in colored gemstone grading and identification.
What the GUILD report confirms:
Gemological identification — confirms natural zircon, ruling out synthetic or imitation materials
Grading & quality assessment — evaluates color saturation, clarity, cut precision, and overall quality
Internationally recognized — GUILD reports are accepted by dealers, collectors, and insurers worldwide
Detailed documentation — includes photographic evidence, measurements, and expert gemologist signatures Blue zircon is one of nature’s most brilliant gems. With a GUILD certificate, its brilliance is backed by science.
Verify GIA / GUILD International Gemological Report Online
Transparency does not end when your gemstone arrives. Every GIA and GUILD report can be verified independently online:
GIA Reports: Enter your report number at GIA official website to confirm authenticity instantly.
GUILD Reports: Verify your certificate at GUILD official website using the unique report number printed on your document.