IGI Certified Lab‑Grown Diamonds IGI
Company Strengths：All our lab‑grown diamonds are certified by IGI, one of the world‑renowned independent gemstone‑testing laboratories. Each diamond comes with an official IGI laboratory report, recording complete 4C parameters: Cut, Color, Clarity and Carat Weight. The report also marks the lab‑grown identity clearly for full traceability.
CVD & HPHT Two Technology Options CVD and HPHT
Two mainstream lab‑grown diamond technologies are available: CVD (Chemical Vapor Deposition) and HPHT (High‑Pressure High‑Temperature). They produce genuine diamonds sharing identical chemical features with natural mined diamonds.
Full Range of 4C Specifications
Cut: A good cut delivers strong sparkle; a poor cut makes it dull despite high‑grade other 3Cs. Color: Grades whiteness for white diamonds. Less yellow tint brings higher value. Clarity: Judges natural internal inclusions and surface blemishes. Fewer flaws equal better clarity. Carat Weight: Diamond’s weight unit. 1 carat = 0.2g. Larger diamonds are rarer and costlier.
Wholesale & OEM ODM Custom Service
We provide professional lab-grown diamond wholesale services, as well as customized OEM & ODM solutions. Full specifications support, flexible customization and stable supply to meet diverse customer needs.
Wendiya Jewelry is a trusted China‑based lab‑grown diamond manufacturer, offering IGI certified CVD lab‑grown diamonds and HPHT lab‑grown diamonds.Our product portfolio includes man‑made lab‑grown loose diamonds and custom lab‑grown diamond jewelry: engagement rings, wedding rings, pendants, necklaces and earrings.As a professional lab‑created diamond supplier, we support bulk wholesale, OEM & ODM for global jewelry businesses.Our man‑made diamonds own real diamond hardness and sparkle, conflict‑free sustainable luxury alternative to natural mined diamonds.Contact us for price list of loose lab‑grown diamonds and custom fine jewelry solutions.
Lab‑Grown Loose Diamonds (CVD / HPHT)
Lab‑Grown Diamond Engagement & Wedding Rings
Lab‑Grown Diamond Pendants, Necklaces, Earrings
Custom Fine Jewelry OEM & ODM
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