CVD & HPHT Loose Lab Grown Diamond Wholesale
We manufacture and wholesale HPHT and CVD lab-grown diamonds. Our combined monthly production capacity reaches 300,000 carats, supported by a large inventory of loose stones. We deliver consistent bulk supplies to jewelers worldwide.
Better Star invests in both HPHT and CVD manufacturing plants, delivering a stable monthly output of over 300,000 carats of premium loose lab created diamonds, establishing us as a key player in the global lab diamond wholesale market. Our fully integrated industrial chain cuts redundant costs, granting us prominent price advantages while all stones are produced under strict international 4C grading criteria.
We stock loose diamonds covering full carat weights, various fancy and round shapes, and comprehensive grades ranging from top D-F colorless VVS clarity to economical SI tiers. Each stone undergoes rigorous inspection of cut, polish, symmetry and fluorescence, with both untreated and color-enhanced options available, accompanied by official gem lab certificates.
Chemically and optically identical to mined diamonds, our lab cultured diamonds are widely used in engagement rings, wedding bands, fashion pendants and earrings. Amid the booming sustainable jewelry wholesale sector, our dual production lines ensure uninterrupted bulk supply. We provide flexible wholesale, OEM and ODM services for jewelers worldwide, offering steady inventory, competitive pricing and reliable long-term bulk sourcing solutions.
- Lab Grown Diamonds
- IGI & GIA Certification
- Strict 4C Standards
- Full Grade Selections
| Type | CVD & HPHT | Carat | 0.3 - 22.8 |
| Color | D, E, F, G, H, I | Clarity | FL/IF, VVS, VS |
| Cut | ID, 3EX | Certification | IGI / GIA / NGTC |
| Shape | Round & Fancy Shape | Fancy Color | Pink, Blue, Orange, Yellow, etc. |
| Polish | EX, VG, GD | Symmetry | EX, VG, GD |
| Fluorescence | N, F, M, S, VS | Color Treated | Treated / Untreated |
Loose Lab Diamonds Key Features
Exceptional Diamond Brilliance
Carefully selected lab diamonds feature excellent cut for max light return & sparkle
Premium Color & Clarity
Available in D–F color and VVS clarity grades to meet fine jewelry standards.
Customizable Shapes
Beyond mainstream diamond cuts, we offer custom diamond shapes.
Bulk Lab Diamond Customization
Bulk customization of loose lab diamonds in varied colors, cuts, carat & certifications.
About Better Star
Lab Grown Diamond & Jewelry Manufacturer
Better Star is a vertically integrated diamond and jewelry manufacturer headquartered in Zhengzhou. We grow lab‑grown diamonds at our in‑house CVD and HPHT facilities, perform cutting and certification internally, and complete jewelry casting and stone setting within our own workshop. We ship orders directly to you in custom branded packaging.
Thanks to our complete industry chain, Better Star have a significant advantage in the markets for rough lab diamonds, loose diamonds, and finished jewelry. Currently, we serve jewelers and jewelry brands in over 30 countries worldwide, providing OEM and ODM services for lab diamond jewelry, as well as supporting custom lab grown diamond jewelry.
- CVD & HPHT Lab Diamond
- Cut & Polish · IGI & GIA
- Master Jewellery Artisans
- QC & Comprehensive Inspection
- Bespoke Packaging & Fast Dispatch
- Ultimate Cost Performance
Related Diamond Jewelry Collections
Discover lab-grown diamond bracelets, necklaces, rings, earrings, and pendants crafted with certified quality and exceptional brilliance for global jewelry brands and retailers.
Let's Connect
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Email Gwyneth@betterstar.net
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Whatsapp 8615138918636
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Phone +86 15138918636
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Address Zhengshang International Plaza B-1605, ZhengZhou City, Henan Province, China