Skip to content
Master cutter at work on a faceting wheel inside the Lim Gems Factory cutting room in Bangkok

Precision-Cut
Gemstones

Factory-direct sapphires and rubies, calibrated to your specifications. Bangkok, since 1991.

±0.1mm

Calibration tolerance on every stone. Machine-cut precision, hand-verified by master cutters.

Direct

Factory to you. No middlemen, no markups. Bangkok's Silom district, since 1991.

Verified

Every stone filmed before shipping. Review cut, color, and clarity before you approve.

“We never stop improving. Every stone, every parcel, every order.”

Chanon Trakulmechokchai · Founder

01

Sapphires

Blue, Pink, Yellow, Padparadscha. Hand-selected from Ceylon, Kashmir, Madagascar, and Thai origins.

Explore Collection
Pear-shaped deep blue sapphire on cream silk fabric with a fine gold chain
Cushion-cut red ruby held by stainless steel tweezers against soft white fabric
02

Rubies

Pigeon Blood, Burmese, Thai, Mozambique. Precision-cut to maximize fire and color intensity.

Explore Collection
HOW WE WORK

From specification
to shipment

1
Consult

Share your specifications. We advise on origin, cut, and availability.

2
Source

Hand-selected rough from trusted mining partners across five origins.

3
Cut

Calibrated to ±0.1mm. Video of every stone sent for your approval.

4
Deliver

Fully insured worldwide shipping. Certification on request.