The Poetry of
Unbroken Light
We offer a curated collection of precious and semi-precious gemstones, including Sapphires, Emeralds, Tourmalines, and more. Beyond value, we seek gemstones distinguished by their exceptional character and appeal. Each stone is selected to meet international standards, with a focus on quality, rarity, and natural beauty.
Untreated & Natural Crystalline Form
Independent Dual-Lab Accreditation
Direct Artisanal & Mine Sourcing
Fully Insured B2B Transit Worldwide
The IGM Legacy
Mines of Muzo · Pits of Mogok · Valleys of Ceylon
Our gemstones are sourced from renowned origins across Africa, Brazil, and Ceylon, bringing together a diverse selection shaped by nature and distinguished by character. From carefully selected rough to the finished stone, every piece is handled with precision and attention to detail.
With specialist craftsmanship and precision cutting, we bring out the natural beauty and brilliance of each gemstone. Our collection includes both treated and untreated gemstones, with our presence across Bangkok and Los Angeles connecting exceptional stones with discerning clients worldwide.
Uncompromising Treatment Transparency
Full disclosure of every intervention, from minor traditional cedarwood oil in emeralds to completely untreated thermal corundum.
Master Lapidary Optimization
Faceting performed by master lapidaries to preserve color saturation and eliminate optical windows.
International Bourse Integrity
Longstanding registered members of the Thai Gem and Jewelry Traders Association (TGJTA) and International Colored Gemstone Association (ICA).
Crystalline Rarity Matrix
“A true gem is neither fabricated nor coerced. It is an impossible accident of planetary pressure, frozen in crystalline grace.”
Certified Gemstones
Exceptional natural unheated corundum, fine Muzo emeralds, and investment phenomenal gems.
6124-0-2063Tourmaline - 2 Cts | Pink | Oval step cut | Congo | Gem Collector
📍 Congo · Oval
6124-0-2004Tourmaline - 1.59 Cts | Green | Oval Portuguese cut | Congo | Express Your Unique Attitude
📍 Congo · Oval
6124-0-2005Tourmaline - 1.76 Cts | Pink | Oval Portuguese cut | Congo | Wedding jewelry ring by Order
📍 Congo · Oval
6124-0-2006Tourmaline - 1.58 Cts | Green | Pear Portuguese cut | Congo | couture Collection
📍 Congo · Pear
6124-0-2007Tourmaline - 1.62 Cts | Pink | Oval Portuguese cut | Congo | Designer Choice
📍 Congo · Oval
6124-0-2008Tourmaline - 1.81 Cts | Pink | Oval Portuguese cut | Congo | Dazzling Collection
📍 Congo · Oval
6124-0-2009Tourmaline - 1.72 Cts | Green | Oval Portuguese cut | Congo | Beautiful Piece!!!
📍 Congo · Oval
6124-0-2011Tourmaline - 1.54 Cts | Pink | Heart Portuguese cut | Congo | Gem Collector
📍 Congo · Heart
Looking for matched suites, museum unheated sapphires >15 carats, or calibrated parcel lots?
Explore Complete Vault Collection (2089+ Stones)→Tradeshow Calendar
Bangkok · Hong Kong · Tucson · Las Vegas
Bangkok Gems & Jewelry Fair
📍 Queen Sirikit National Convention Center (QSNCC), Thailand
HKTDC Hong Kong International Diamond & Gem Show
📍 AsiaWorld-Expo, Hong Kong
AGTA GemFair Tucson
📍 Tucson Convention Center, Arizona, USA
JCK Las Vegas — Luxury Pavilion
📍 The Venetian Expo, Las Vegas, Nevada
Reports from Leading Gemological Institutes
Significant gemstones in our collection are independently authenticated and accompanied by reports from the world's foremost gemological laboratories.
The Trading Desk
Memo Requests · Technical Dossiers · Secure Vault Shipments
🏛️Global Trading Headquarters
Suite #3, 3rd FL Biya & Sons Building, 314 Mahesak Rd, Bangrak, Bangkok 10500, Thailand
igmgems@hotmail.com · contact@igmgems.com
+66 892012390
Monday – Saturday: 10:00 AM – 6:30 PM (ICT)
Request Stone Dossier or Private Quote
Complete your specifications below. A gemologist will respond with full lab certification scans and terms within 4 hours.