HPHT Lab Diamonds
Better Star ranks among the world’s top HPHT lab grown diamond manufacturers, delivering high-purity, vividly colored stones with in-house professional cutting & polishing for unbeatable quality and pricing.
Better Star ranks among the world’s top HPHT lab grown diamond manufacturers, delivering high-purity, vividly colored stones with in-house professional cutting & polishing for unbeatable quality and pricing.
Lab-grown HPHT diamonds replicate the identical chemical, optical and physical features of natural diamonds via high-pressure high-temperature synthesis, free from mining damage and ethical risks. As one of the world’s most vital HPHT lab diamond producers and bulk wholesale suppliers, Better Star holds core advantages in production capacity, product diversity, quality and pricing.
We boast a stable monthly output of 200,000 carats of HPHT loose diamonds, covering 0.3–25 carats with full ranges of shapes, colors and clarity grades—our complete product portfolio caters to all jewelry wholesale demands. All rough stones grow with superior purity and consistent pure color; supported by our self-owned professional cutting and polishing workshops, every finished diamond is strictly graded against global 4C standards with stable premium quality.
With full vertical industrial control from crystal synthesis to fine polishing, we eliminate intermediate costs and deliver factory-direct competitive pricing. We provide steady bulk supply, full certification support and customized OEM solutions for jewelers, distributors and jewelry brands worldwide, acting as your reliable long-term HPHT lab diamond wholesale partner.
| Type | HPHT | Carat | 0.3 - 25 |
| 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 | Untreated |
Key Features
Carefully selected hpht diamonds feature excellent cut for max light return & sparkle
Available in D–F color and VVS clarity grades to meet fine jewelry standards.
Beyond mainstream diamond cuts, we offer custom diamond shapes.
Bulk customization of loose hpht diamonds in varied colors, cuts, carat & certifications.
Better Star is a vertically integrated diamond and jewelry manufacturer based in Shuibei, Shenzhen — China’s premier jewelry manufacturing district. We grow the diamonds in our own CVD and HPHT laboratories, cut and certify them in-house, cast and set the jewelry in our own factory, and ship directly to your door in your branded packaging.
When you order from us, you pay factory cost — not distributor cost, not trading company cost. Every dollar that would have gone to intermediaries stays in your margin or product quality. We serve brands in 30+ countries, from boutique jewelers to major retail chains.
Explore Our Products
Discover lab-grown diamond bracelets, necklaces, rings, earrings, and pendants crafted with certified quality and exceptional brilliance for global jewelry brands and retailers.
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