LEADING GEM & JEWELLERY MANUFACTURER
The connoisseur in precision-cut natural gemstones and diamonds for the luxury jewellery and watch industry.
Learn MoreCIEN’s expertise is built on long-term commitment and trust towards our clients and partners. Our unbridled appetite for excellency has made us what we are today: the leading gems and jewellery manufacturer from Thailand.
THOROUGHLY SELECTIVE MATERIAL
We sourced only high-quality raw materials covering a vast variety of coloured gemstones that were mined sustainably by world-leading producers from all around the world. Our roughs and processed inventory are homogeneous colour distribution that can achieve the topmost tier have been selected exclusively for effective provision.
THOROUGHLY SELECTIVE MATERIAL
Every piece of natural gemstone is processed by skilful craftspeople that have been trained and aware of excellency, the customers will be assured that gemstones are always crafted in a delicately controlled environment that involves precise shaping and polishing with the strictest criteria.
CONSISTENTLY MAINTAINED QUALITY
The mandate of CIEN is to undertake continuous development by the means of innovative styles. CIEN has the competitive edge in the flexibility of manufacturing, conformity of production, extremely low error rate, and enhanced standardization to maintain a higher level of industry standards in quality and creativity.
VIA STATE-OF-THE-ART EQUIPMENT
Our perfection is the consistency of the workmanship ensured by utilization of self-developed cutting-edge innovation for faceting, polishing, and high-precision adjustment, as well as our measurement technology that downs to microscopic scale to guarantee the highest precision standards of low tolerances, great uniformity, exact width and length, consistent shape, and symmetry of gemstones.
BEYOND PERFECT CUT
To achieve any kind of ideal cuts, CIEN utilizes a groundbreaking digitization system to optimize the gemstones’ highest potential. Our stones are computerized and calibrated at every possible angle to suit all dimensions of jewellery settings and creations. We are renowned especially for:
- Standard Cut
- 3 Excellence
- Heart & Arrow
- Fancy Shape
- Asymmetric Shape
- High Precision Grooving
- Special Customized Gem Piece
CONSISTENTLY MAINTAINED QUALITY
The mandate of CIEN is to undertake continuous development by the means of innovative styles. CIEN has the competitive edge in the flexibility of manufacturing, conformity of production, extremely low error rate, and enhanced standardization to maintain a higher level of industry standards in quality and creativity.
VIA STATE-OF-THE-ART EQUIPMENT
Our perfection is the consistency of the workmanship ensured by utilization of self-developed cutting-edge innovation for faceting, polishing, and high-precision adjustment, as well as our measurement technology that downs to microscopic scale to guarantee the highest precision standards of low tolerances, great uniformity, exact width and length, consistent shape, and symmetry of gemstones.
