IGI-Certified Lab-Grown Diamonds

Loose Lab-GrownDiamondsChosen by you

Choose your diamond, one stone at a time. Compare shapes, carats, color, clarity and prices from our IGI-certified lab-grown diamond stock. Loose diamonds only — settings are not included.

IGI

Certified

65

Diamonds in stock

Loose Lab-Grown Diamond Stock

Choose your individual diamond

Compare individual diamonds, specifications and prices with IGI certificates. Prices are for loose diamonds only, excluding settings.

View All Loose Diamonds

Individual loose diamond

Get to know each stone. Choose the one for you.

Review this diamond's specifications, price and certificate, or ask our team to compare the 4Cs and confirm availability before you buy.

Shape

Emerald

Carat

5.05 ct

Color

F

Clarity

VS1

5.05ct Emerald lab grown diamond

IGI certified

#LG804636128

฿57,159

Showing 6 of 65 loose diamonds in stock

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.

1

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

2

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

3

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

Book Private Consultation

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.