Premier Gems | Gemstone Wholesaler for Rubies & Sapphires

About Premier Gems

Since 1982, Premier Gems Trading Company Limited has stood at the forefront of precious gemstones, recognized as a distinguished leader in the international wholesale and export of rubies and sapphires. Based in the heart of Thailand’s gemstone hub, the company provides an exceptional selection of gemstones Bangkok is renowned for. Our collection spans from commercial grades to rare, highly prized treasures, meticulously categorized and precisely assorted across every shape, size, and classification.

With more than a century of expertise passed through generations, our team of master gemologists and polishers continues to advance the art of gemstone grading and assortment. A rigorous and systematic process ensures consistency in color, size, and quality, earning the lasting trust of clients worldwide.

Our Expertise

Assortment

With over three decades of expertise, our assortment team upholds the highest standards of precision while guiding the next generation of gemologists. As a trusted gemstones supplier, we provide more than 30 calibrated references in rubies and sapphires, ensuring consistent quality for large-scale production.

One-Stop Service

A distinguished one-stop service offers an exceptional selection of rubies and sapphires. As a trusted ruby and sapphire wholesaler, we provide everything from perfectly calibrated sizes to larger statement stones, and from individual gems to complete harmonized sets sourced from renowned origins. Clients are assured of the utmost convenience and unwavering consistency, all within a single trusted destination.

Cutting

Specialization in cutting is built upon many years of expertise and a profound understanding of each gem’s unique character. As a dedicated gemstones supplier, we adjust stones with precision to exact dimensions, ensuring seamless integration into any design. Through multiple stages of meticulous cutting, polishing, and rechecking, our craftsmanship guarantees brilliance, symmetry, and consistency of the highest standard.

Ruby Collection

As a trusted gemstones supplier, our Ruby Collection presents a diverse range from finely calibrated small stones to impressive large gems and complete harmonized sets

Calibrated Rubies

Fine Ruby Solitaires

Ruby Suites

Sapphires Collection

As a trusted name in sapphire wholesale, our sapphires collection presents a diverse range from finely calibrated small stones to impressive large gems and complete harmonized sets

Calibrated Sapphires

Fine Sapphires Solitaires

Sapphires Suites

Honours & Achievements

As a recognized gemstone supplier, we are honored by industry awards and collaborations with leading partner laboratories

Latest News & Exhibitions

The Ruby Grading Quality: Ensuring Consistency and Quality for Large-Scale Jewelry Production

When it comes to creating high-quality jewelry at scale, the consistency is everything. Ruby, one of the most prized and visually striking gemstones, can vary significantly in color, clarity, and structure. Without a proper grading system, producing uniform jewelry pieces becomes nearly impossible.

24 Mar 2026

Blogs

Calibrated Gemstones: Why Consistency Matters for Jewelry Manufacturing?

When we talk about Calibrated Gemstones In the world of modern jewellery manufacturing, there are factors that are as essential as the consistency of gemstones. Whether producing high-end fine jewelry or large-scale commercial collections, calibrated gemstones ensure that every piece is beautiful, structurally sound, and economically efficient.

24 Mar 2026

Blogs

A Complete Guide to Sapphire Gemstones for Jewelry Production and Design

Sapphire is one of the most treasured gemstones in fine jewelry, admired for its outstanding durability, radiant brilliance, and remarkable range of colors. As a member of the corundum mineral family, sapphire ranks 9 on the Mohs hardness scale, making it second only to diamond and exceptionally suitable for everyday wear.

20 Mar 2026

Blogs