Highlights of the Collection
Continuous visual flow for stone shape, polish quality, and reflection details.
Please wait a moment...
NATURALBLACK SAPPHIRE
From Source To Showcase
BLACK SAPPHIRE presents a complete gemstone journey: raw material selection, precision processing, refined grading, product display, and global exhibition presence.
Explore Our Story
About BLACK SAPPHIRE
Yu Feng Jewelry Co., Ltd. is based in the GEMS TOWER in Bangkok, Thailand, with its own production factory in China and more than 350 skilled workers. Since 2003, our team has specialized in selecting, polishing, and coloring natural black sapphire.
We source premium raw material from Australia and Mozambique, classify gemstones into five quality grades, and serve jewelry clients worldwide.
Signature Product Collection
A curated showcase of polished black sapphire pieces, cinematic brand visuals, and close-up details that express craftsmanship, elegance, and premium quality.
Brilliance in Motion
High-definition multi-angle videos capture the brilliance of each gemstone, alongside precise cut geometry and a refined finish that reflect our uncompromising quality standards.
Round 0.8mm - 10.0mm
Pear 2x3mm - 10x12mm
Oval 2x3mm - 10x12mm
Marquise 1.5x3mm - 6x12mm
Baguette 1.5x2mm - 8x10mm
Trapezoid 1x1.5x2mm - 3x5x8mm
Oval 2x3mm - 10x12mm
Brand Story on Screen
Story-driven campaign visuals presenting the brand position and global trade identity.
Jewelry FAIR (2026)
Bangkok Jewelry FAIR
Detailed Gemstone Craftsmanship
Every gemstone is crafted through strict detail control, from high-grade material selection to precision finishing, ensuring brilliance, clarity, and premium quality in every shipment.
- High-grade raw materials selected for color, clarity, and structural integrity
- Meticulous cutting and polishing standards for clean facets and strong light return
- Consistent quality checks to deliver reliable, high-end finished gemstones
Craftsmanship View 01
Craftsmanship View 02
Craftsmanship Motion 01
Craftsmanship Motion 02
Craftsmanship Motion 03
Craftsmanship View 03
Raw Material to Refined Result
Raw Material & Processing Results
From carefully selected raw materials to consistently refined outcomes, every stage reflects our commitment to quality, precision, and dependable delivery.
Raw Material Image 01
Raw Material Image 02
Processing Result Video 01
Processing Result Video 02
Processing Result Video 03
Raw Material Image 01
Raw Material Image 02
Processing Result Video 01
Processing Result Video 02
Processing Result Video 03
Bangkok International Expo Presence
Our recurring appearance at the Bangkok International Expo highlights strong market recognition, active global engagement, and long-term partnership momentum.
Bangkok Expo Hall 01
Bangkok Expo Hall 02
Bangkok Expo Hall 03
Bangkok Expo Hall 04
Bangkok Expo Hall 05
Bangkok Expo Hall 06
Bangkok Expo Hall 07
Showroom and Display Cases
Through polished showroom presentation and professional interactions, we communicate a brand image built on trust, capability, and lasting business value.
Display Case 01
Display Case 02
Display Case 03