Polished Loose Diamonds
Brilliance for Global Jewelry Buyers
Premium white and fancy-color lab-grown diamonds with stable quality, traceable sourcing, and export-ready support.
Finished Jewelry
Refined Pieces Ready for Retail
Clean, modern finished jewelry designed for fast assortment decisions, small MOQ programs, and dependable cross-border fulfillment.
Sourced from Henan
The Strategic Edge of Henan’s Diamond Manufacturing Heritage
Guadalupe International leverages over five decades of industrial crystal synthesis mastery within China’s diamond capital. By integrating Henan’s advanced R&D ecosystem and a seamless HPHT and CVD supply chain, we provide B2B partners with precision-engineered gem-quality diamonds. This technological heritage ensures diversified product quality and scalable manufacturing to drive significant performance growth.
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Sustainability
Redefining Luxury Through the Principles of Sustainable Excellence
We champion the Green Carat philosophy, delivering diamonds with identical chemical and optical brilliance while minimizing environmental impact. Our advanced lab-grown processes drastically reduce land displacement and carbon footprints compared to traditional mining. This commitment to transparency and ecological responsibility allows our partners to align luxury offerings with the evolving demands of ethical consumption.
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Built for importers, wholesalers, and jewelry brands.
One-Stop Cross-Border Solutions
Beyond diamonds, we support sourcing, export consulting, and market-entry assistance for overseas clients.
Premium Quality & Variety
We offer high-grade white stones, fancy colors, and simple finished jewelry from top-tier factories. HPHT and CVD are both available.
IGI / GIA Certified
Every diamond is backed by authoritative certification, giving your buyers transparent grading and reliable confidence.
Looking for more?
If you need product details, pricing, or sourcing support, we’re here to help with your next lab-grown diamond inquiry.
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