



RG Crystals
RG Crystals is a leading supplier of lab grown gemstones, trusted by the jewelry industry for our expertise in single-crystal growth.
With over 25 years of experience, our team has mastered and enhanced advanced growth methods like Czochralski, Hydrothermal, and Flame Fusion to deliver exceptional quality.
Our catalog is one of the largest and diverse in the industry, offering both rough and cut gemstones to meet every need, including: emerald, ruby, sapphire, alexandrite, spinel, opal, rutile, cubic zirconia and more.
We carefully sort our materials to ensure the highest quality. Materials like lab grown emeralds and alexandrites undergo a detailed sorting and grading process. This allows us to offer stones that meet specific requirements, whether it's for high-end jewelry or more affordable pieces.





We aim to make gemstones sustainable, ethical, and affordable for everyone — from beginner jewelers to major jewelry brands. Our lab grown stones are a reliable choice for creating beautiful, responsible jewelry.

SUSTAINABLE

ETHICAL

AFFORDABLE
GET SOCIAL WITH US


1249/151, Gems Tower 17 FI., Charoenkrung Rd., Bangrak,
Bangkok 10500, Thailand
Tel: +66 22674920
Fax: +66 22674921