Crafted
Brilliance,
Reimagined.
Premium lab-grown diamonds of exceptional beauty — selected for perfection, crafted for eternity. Discover a new standard of luxury that is transparent, ethical, and breathtakingly beautiful.
IGI
Certified
7
Diamonds in stock
How would you like to begin?
Your journey starts here
Diamond Stock
Select your perfect stone
Every diamond in our stock is individually selected, IGI certified, and ready for immediate setting.
Diamond
Carat
Color
Clarity
Cut
Lab
Price
Showing 6 of 7 certified diamonds
IGI
7
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
Lifetime Warranty
Every piece is backed by our lifetime craftsmanship warranty. Annual complimentary cleaning and inspection included.
IGI Certified
Every diamond over 0.30ct ships with its official grading certificate from the world's leading gemological labs.
Flexible Payment
Bank transfer, all major credit cards, and 0% installment plans. Secure, encrypted transactions every time.
Private Consultation
Every purchase is confirmed with a LUX GEM consultant before payment, including availability, certificate, and delivery details.
Client Stories
Moments that last forever
“การเลือกแหวนกับ LUX GEM ช่างเป็นประสบการณ์ที่ไม่เหมือนใคร เราได้สร้างแหวนแต่งงานด้วยกันและ 3D preview ตรงกับชิ้นงานจริงอย่างน่าทึ่ง เพชร lab-grown ของเราประกายระยิบระยับจนคู่ของเราต้องกลับมาชื่นชมในความสุขที่ไม่มีวันลืม”
ณภัทร เวชประชา
Bride 2024
Aurora Solitaire 1.5ct D VVS1
“The Build Your Ring experience was incredible. We designed our wedding bands together and the 3D preview matched the final piece perfectly. Simply exceptional.”
Priya & James
Couple, Bangkok
Custom Éclat Band
“ฉันต้องการทำแหวนพรีเมียมสำหรับวันครบรอบของเรา และฝีมือการผลิตนั้นน่าทึ่งมาก LUX GEM ทำให้ฉันมั่นใจในคุณภาพและความประณีตของงาน เราได้รับ IGI cert พร้อมเพชรทุกเม็ดและงานออกมาตรงตามแบบที่เราต้องการทุกประการ”
ธนกฤต ประดิษฐวัฒน์
Gift Purchase
Lumière Pendant 1.0ct E VS1
“I had a bespoke piece created for my anniversary and the craftsmanship is breathtaking. LUX GEM truly bridges the gap between luxury heritage and modern ethics.”
Sarah Chen
High Jewelry Client
Custom High Jewelry Commission
Visit Us
Experience LUX GEM in person
Private appointments available at our Bangkok showroom. Our gemologists are ready to guide you through every diamond in our collection.