IGI-CertifiedLab-Grown Diamondsin Bangkok
Explore IGI-certified lab-grown diamonds, engagement rings, and fine jewelry crafted in Bangkok. Compare stones, plan your setting, and book a private consultation with LUX GEM.
IGI
Certified
65
Diamonds in stock
How would you like to begin?
Your journey starts here
Collections
Fine jewelry for every chapter
CVD Diamond Stock
Select your perfect CVD stone
Every CVD lab-grown diamond in our stock is individually selected, IGI certified, and ready for immediate setting.
Ready for setting
Start with a certified stone, then let us craft the setting around it.
Reserve a diamond, compare the 4Cs with our team, and move directly into a private consultation for the final design.
Shape
Emerald
Carat
5.05 ct
Color
F
Clarity
VS1
IGI certified
#LG804636128
฿57,159
Diamond
Carat
Color
Clarity
Cut
Lab
Price
Showing 6 of 65 certified CVD diamonds
IGI
65
Certified Diamonds
IGI
Certified / IGI
99.8%
Customer satisfaction
Our Philosophy
The future of fine jewelry is brilliant
LUX GEM was founded on a conviction: that exceptional diamonds should not come at the cost of the planet. Lab-grown diamonds are chemically, physically, and optically identical to mined diamonds — and we source only the finest examples, graded to the world's strictest standards.
Our craftspeople combine generations of Thai goldsmithing heritage with cutting-edge precision tools to produce jewelry that transcends the ordinary.
Exceptional Beauty
Our lab-grown diamonds achieve D-F color and VVS clarity as standard. Every stone is selected by our gemologists for fire, brilliance, and scintillation.
Modern Transparency
Full certificate traceability on every diamond. Know exactly what you're buying — grade, origin, and independent lab verification.
Timeless Craftsmanship
Each piece is handcrafted by our master jewelers using platinum and 18k gold. Precision setting techniques perfected over generations.
Private Consultation
Plan your dream ring
in three steps
Our consultants help you pair the right diamond, setting, and metal. Create something truly one-of-a-kind, then watch it become real.
01
Diamond
Choose Your Diamond
Select your certified stone
Browse our certified stock or let our gemologists source a diamond matched to your exact specifications. Shape, carat, color, and clarity are yours to decide.
Live certified stock in current inventory
02
Setting
Choose Your Setting
Design the ring architecture
Select from our signature settings or work with our designers to create a custom mount. Choose your metal, prong style, and any accent stones.
Platinum / 18k Gold / Rose Gold
03
3D Preview
Preview in 3D
Review before production
See your ring come to life in a real-time 3D render before a single metal is cast. Adjust proportions, metals, and stones until it is perfect.
Real-time configuration
Free consultation - no commitment required
Our Promise
Buy with complete confidence
Warranty & Aftercare
Workmanship coverage and inspection support follow the published service policy.
IGI Grading Reports
Review the grading report details for each qualifying diamond before making a decision.
Payment Options
Available payment methods and any installment terms are confirmed in the final quote.
Private Consultation
A LUX GEM consultant confirms availability, documentation, pricing, and delivery before payment.
Visit Us
Experience LUX GEM in person
Private appointments are available at our Bangkok showroom. Our team can guide you through the available diamonds and setting options.