Blue Lab Diamonds
We are a manufacturer of blue lab created diamonds, supplying high-quality loose blue diamonds in a full range of shapes, clarities and carat weights. All our stones come with IGI or GIA official certification.
We are a manufacturer of blue lab created diamonds, supplying high-quality loose blue diamonds in a full range of shapes, clarities and carat weights. All our stones come with IGI or GIA official certification.
We are a professional manufacturer producing HPHT and CVD lab-grown blue diamonds, supplying wholesale loose fancy blue diamonds covering all popular cuts, full clarity grades and complete carat ranges. We maintain abundant real-time inventory to deliver steady, reliable stock for global jewelry retailers, brands and jewelry processing factories, supporting bulk orders and customized demands.
Our blue lab diamonds feature consistent, vivid blue hues formed by trace boron elements inside crystal lattices, sharing identical physical hardness, fire and brilliance with natural blue diamonds. Every stone is strictly inspected and certified by authoritative IGI or GIA labs to guarantee stable premium quality.
Versatile in application, they serve as core gemstones for engagement rings, stud earrings, pendant necklaces and high-end fine jewelry. Compared with rare mined blue diamonds, our cultivated blue diamonds deliver cost efficiency, stable color saturation and eco-friendly, ethical sourcing advantages for commercial jewelry production.
| Type | Lab Created Blue Diamonds | Carat | 1 - 3 |
| Color | Blue | Clarity | VVS, VS |
| Cut | ID, 3EX | Certification | IGI / GIA / NGTC |
| Shape | Round & Fancy Shape | Fancy Color | Blue |
| Polish | EX, VG | Symmetry | EX, VG |
| Fluorescence | SLT, N | Color Treated | Treated / Untreated |
Key Features
Carefully selected blue lab diamonds feature excellent cut for max light return & sparkle
Available in Vs & VVS clarity grades to meet fine jewelry standards.
Beyond mainstream diamond cuts, we offer custom diamond shapes.
Bulk customization of blue lab diamonds in varied 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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