China has become one of the most influential countries in the global diamond market, serving as Asia's largest diamond manufacturing and trading hub. Milla Exports is recognized as one of the best diamond suppliers in China, offering a wide range of natural diamonds, lab-grown diamonds, and certified loose diamonds with competitive pricing, consistent quality, and ethical sourcing.
China's rise in the global diamond industry mirrors its broader economic transformation. Over the past three decades, China has evolved into the world's second-largest consumer market for diamonds and a leading hub for diamond jewellery manufacturing. This unique position as both a major producer and consumer makes China a powerful center for wholesale diamond trading.
At the core of China's diamond trade is the Shanghai Diamond Exchange (SDE), the country's official diamond trading platform. Established in 2000, the SDE provides a transparent and regulated environment where licensed diamond dealers conduct secure, internationally compliant transactions, enabling large-scale global diamond trade.
China's advanced manufacturing infrastructure strengthens its position with state-of-the-art cutting, polishing, and jewellery production facilities. Chinese manufacturers deliver consistent quality across luxury and commercial-grade diamonds. Government support through free trade zones, tax benefits, and streamlined import-export procedures enhances efficiency and competitive pricing.
Strategically located with strong access to Asian markets, China serves as a key sourcing hub for buyers across South Korea, Japan, Southeast Asia, and beyond. This connectivity, combined with growing regional demand, makes China an ideal destination for wholesale diamond sourcing and trade.
China's diamond market is dispersed throughout a few major centers, each with distinct characteristics and specialties. Shanghai leads in diamond finance and trading, Shenzhen dominates jewellery production, Guangzhou serves as an important trading hub, and Beijing primarily caters to high-end retail and investment markets.
The manufacturing integration of Chinese diamond suppliers sets them apart. China's diamond industry covers the whole value chain from importation through manufacturing, setting, and finished jewellery production. This vertical integration results in significant cost and efficiency savings.
Strong ties to mines in Australia, Russia, and Africa, providing stable access to rough and polished diamonds of all quality grades.
Substantial inventories of polished diamonds across various sizes, shapes, and quality specifications for diverse business needs.
Advanced cutting and polishing operations handling rough stones with skilled craftsmanship and cutting-edge technology.
A closer look at how stones are sourced, certified, and sold.
China receives natural diamonds from mining operations worldwide, with large amounts coming from Africa, Russia, Canada, and Australia. Strong ties between Chinese diamond importers and foreign suppliers guarantee stable access to polished and rough diamonds of all quality grades.
The cutting and polishing sector in China has made great strides. Modern Chinese cutting facilities employ skilled artisans trained in traditional methods alongside cutting-edge laser cutting and automated polishing systems that guarantee accuracy and consistency.
China is currently the world's largest producer of lab-grown diamonds. Chinese manufacturers have invested billions in CVD (Chemical Vapor Deposition) and HPHT (High Pressure High Temperature) technologies, making their production capacity significantly greater than any other country.
This dominance creates exceptional opportunities for wholesale buyers. Chinese suppliers offer lab-grown diamonds at incredibly competitive prices while upholding quality standards on par with natural stones, making China the ideal source for businesses specializing in lab-grown diamond jewellery.
Certification provides essential quality assurance in wholesale diamond trading. Chinese diamond suppliers work with internationally recognized certification bodies to ensure every stone meets strict global standards.
The Gemmological Institute of America has significant operations in China with laboratories across several cities, providing the most widely recognized grading reports in the industry with simple access and fast turnaround times.
The International Gemmological Institute has strong representation in China's diamond centres, particularly well-known for lab-grown diamonds with quick certification turnaround for wholesale buyers.
The National Gemstone Testing Centre operates under government oversight and is especially valuable for diamonds intended for Chinese domestic markets, with competitive pricing and credible quality documentation.
For businesses requiring large diamond volumes or integrated manufacturing solutions, China's B2B diamond supplier network offers exceptional capabilities. These specialized suppliers maintain direct access to international rough diamond sources, extensive polished diamond inventories, advanced cutting and manufacturing facilities, and reliable global logistics partnerships.
China's B2B diamond suppliers are well-equipped to handle high-volume orders, producing thousands of pieces within efficient timelines while maintaining consistent quality standards. Volume-based pricing models make bulk sourcing highly cost-effective, and specifications can be customized across entire product ranges to meet precise business requirements.
A key advantage is the seamless integration of diamond supply and jewellery manufacturing. Instead of managing multiple vendors, buyers can streamline the entire process through a single partner, reducing complexity, shortening lead times, and improving cost efficiency. Milla Exports stands out as one of the best diamond suppliers in the world, offering end-to-end B2B solutions that combine premium diamond sourcing, manufacturing coordination, and global delivery with uncompromising quality and reliability.
China's jewellery manufacturing capabilities offer a major advantage for wholesale diamond buyers. The country is the world's largest producer of diamond jewellery by volume, with manufacturing hubs that include thousands of facilities ranging from specialized workshops to large-scale production units.
Diamond setting, custom design and prototyping, mass production with strict quality control, precious metal casting, finishing, and retail-ready packaging.
3D CAD design, precision casting, automated polishing, and modern quality inspection systems ensure consistent output across all market segments.
Develop exclusive designs, maintain quality standards, control costs, and scale production efficiently through China's comprehensive manufacturing infrastructure.
China's customs and logistics infrastructure has advanced significantly to support the global diamond trade. Specialized diamond import-export companies manage every aspect with precision and efficiency.
Simplified documentation
Milla Exports is a leading certified diamond dealer in China, leveraging the country's advanced manufacturing capabilities and strong global supply network to serve clients worldwide. As an established diamond trading company, we supply natural diamonds, lab-grown diamonds produced using advanced CVD and HPHT technologies, and ethically sourced conflict-free diamonds—each backed by internationally recognized certification such as GIA, IGI, or NGTC.
We maintain a wide inventory of certified loose diamonds across multiple sizes, shapes, and quality grades, serving jewellery manufacturers, wholesalers, and retailers. From commercial-grade stones for bulk production to premium diamonds for luxury collections, Milla Exports delivers reliable sourcing, competitive pricing, and consistent quality.
Beyond diamond supply, Milla Exports offers integrated manufacturing coordination through trusted Chinese partners, including custom jewellery production, diamond setting, quality control, and secure global logistics. With full import-export support and ethical sourcing standards, Milla Exports connects buyers to China's diamond market with transparency, efficiency, and trust.
Milla Exports works with all major international gemmological laboratories operating in China: GIA (Gemmological Institute of America), IGI (International Gemmological Institute), and NGTC (National Gemstone Testing Centre), as well as HRD Antwerp and other certifying bodies upon request. Each certification includes comprehensive grading reports detailing the four Cs: cut, colour, clarity, and carat weight, along with additional characteristics such as fluorescence, symmetry, and polish.
All our certified loose diamonds come with authentic documentation that can be independently verified through the issuing laboratory's database. Given our Chinese operations, we have particularly efficient access to GIA and IGI certification services with fast turnaround times, as well as NGTC certification which is highly regarded in Asian markets and offers competitive pricing.
Absolutely. Milla Exports maintains comprehensive inventories to meet diverse business requirements across all diamond categories. We supply natural diamonds sourced from international mining operations and processed through Chinese cutting and polishing facilities that combine traditional craftsmanship with advanced technology. We also offer lab-grown diamonds produced by leading Chinese manufacturers using state-of-the-art CVD and HPHT technologies.
China produces more lab-grown diamonds than any other country, creating exceptional quality and pricing advantages for buyers. Additionally, we provide conflict-free diamonds ethically sourced through Kimberley Process certified supply chains. We stock diamonds across all categories with appropriate certification clearly distinguishing natural from laboratory-created stones.
Milla Exports accommodates both large-scale jewellery manufacturers and smaller businesses in China's wholesale diamond market. While we excel at serving companies requiring significant diamond volumes for production operations—which is where China's scale advantages truly shine—we also assist clients who need smaller quantities of specific certified stones or specialty diamonds.
Minimum order requirements vary depending on diamond type (natural versus lab-grown), quality grade, certification level, and whether you're also utilizing our jewellery manufacturing coordination services. Our experienced team provides personalized quotations based on your specific needs, whether you're purchasing individual certified stones, bulk parcels for inventory, or diamonds integrated with manufacturing services.
Milla Exports is a fully licensed diamond trading company in China offering complete diamond import and export services to clients worldwide. We handle every aspect of international diamond logistics, including Chinese customs clearance with proper documentation, Kimberley Process certification compliance for rough diamonds, export licenses and regulatory filings, insurance coverage at full replacement value, and secure transportation using specialized diamond carriers.
Our deep understanding of China's diamond trade regulations, free trade zone advantages, and customs procedures ensures your wholesale diamonds reach any global destination efficiently and securely. We partner exclusively with trusted logistics specialists who have extensive experience in international diamond shipping, guaranteeing safe delivery with complete documentation.
Yes, absolutely. Milla Exports is firmly committed to ethical diamond trading practices and responsible sourcing. We source only conflict-free diamonds that comply with the Kimberley Process Certification Scheme, which China participates in and enforces through customs controls. Every natural diamond in our inventory can be traced back to legitimate mining operations through verified supply chains.
For lab-grown diamonds produced in China, we work exclusively with manufacturers who maintain proper labour practices, environmental standards, and transparent operations. Whether you're purchasing natural diamonds from international sources, lab-grown diamonds created in Chinese facilities, or any certified loose diamonds from our operations, you can be confident that your investment supports responsible practices.