All Categories

Explore Every Collection

Nine jewelry categories — in-stock and custom available

Product Range

Hot Products

Explore our most popular lab-grown diamonds and fine jewelry collections, crafted with certified quality, modern elegance, and flexible customization support for global markets.

Vertically Integrated

Six Stages. One Factory.

Every stage of the diamond and jewelry production process takes place under our roof in Shenzhen. No outsourcing. No middlemen. Complete control over quality, cost, and lead time at every step.
Diamond Growth

01

Diamond Growth

CVD & HPHT reactors · Shenzhen

Cutting & Polish

02

Cutting & Polish

3D laser plan · Master lapidaries

IGI Certification

03

IGI Certification

Full 4C grading · Report inscribed

CAD & Casting

04

CAD & Casting

3D model → lost-wax casting

QC & Hallmarking

05

QC & Hallmarking

6-point inspection · Metal stamped

Brand Packaging

06

Brand Packaging

Your logo · DHL/FedEx worldwide

Why Source From Us

The Factory Advantage

As a direct manufacturer, we provide full control over diamond quality, jewelry craftsmanship, and production timelines. Our factory enables flexible customization, reliable OEM solutions, and efficient one-stop services for global brands.
Vertically Integrated Manufacturing

01

Vertically Integrated Manufacturing

From diamond growth to finished jewelry

All key production stages — including lab-grown diamond cultivation, cutting, grading, jewelry manufacturing, and quality inspection — are completed within our integrated supply chain. This ensures full control over quality, consistency, production schedules, and global delivery performance.

Certified Quality Assurance

02

Certified Quality Assurance

Verification at every production stage

Every diamond and jewelry piece undergoes strict inspection procedures covering color, clarity, cut quality, stone setting security, metal purity, and final appearance. Certification and quality documentation provide confidence for brands, wholesalers, and retailers worldwide.

OEM & ODM Jewelry Solutions

03

OEM & ODM Jewelry Solutions

Built for brands and wholesale partners

We provide flexible OEM and ODM services, including custom designs, private labeling, packaging, diamond specifications, and material options. From concept development to mass production, we help customers create exclusive jewelry collections with reliable manufacturing support.

Client Reviews

What Our Partners Say

We manufacture for brands in 30+ countries. From boutique jewelers to major retail chains, here is what our OEM and wholesale clients experience.
  • 10+Years OEM Manufacturing
  • 30+Countries Served

“We sourced a collection of custom lab-grown diamond tennis bracelets for our brand launch. The diamond quality, stone matching, and craftsmanship exceeded expectations. Every piece arrived with complete certification and was ready for retail presentation.”

Sarah M.

Sarah M.

Jewelry Brand Founder · United Kingdom

“Better Star provides true end-to-end manufacturing. From diamond cultivation and grading to jewelry production and packaging, everything is managed through a single supply chain. This has significantly improved our sourcing efficiency and product consistency.”

David R.

David R.

Purchasing Director · Jewelry Wholesaler · USA

“We partnered with Better Star for an OEM jewelry collection featuring certified lab-grown diamonds. Their team handled CAD development, sample production, and bulk manufacturing professionally. Quality remained consistent across all production runs, and delivery schedules were always met.”

Michael L.

Michael L.

Product Development Manager · Fine Jewelry Retailer · Germany

Let's Connect

Whether you're sourcing certified lab-grown diamonds, ordering custom jewelry, or inquiring about professional training — our team responds within 24 hours to every request.

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