All Categories

Explore Every Collection

Nine jewelry categories — in-stock and custom available
Ring

Ring

Our ring collection blends classic beauty with modern jewelry artistry to suit every style and occasion.

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Earrings

Earrings

Our earrings are designed to add brilliance, elegance, and personality to any outfit.

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Bracelet

Bracelet

Our bracelet collection offers stylish and versatile designs that balance modern fashion with timeless appeal.

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Necklace

Necklace

Our necklaces are created to highlight sophistication through clean lines, brilliant stones, and premium craftsmanship.

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Founded in Shenzhen in 2015, Better Star began as a research-focused startup dedicated to advancing lab-grown diamond science. Over a decade, we have grown into a fully integrated diamond enterprise — spanning cultivation, cutting, jewelry manufacturing, professional training, and global distribution.

We believe lab-grown diamonds represent the future of the industry. Identical to mined diamonds in every material aspect, yet more sustainable, more traceable, and far more accessible — they democratize brilliance without compromise.

View Company Intro View Custom Manufacturing
Company Intro

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.
Loose Lab Grown Diamond

Loose Lab Diamonds

Round cut Hpht lab grown diamond

HPHT Lab Diamonds

2 carat cvd diamond

CVD Lab Diamonds

Lab Grown Colored Diamonds

Colored Diamonds

Opulent Cushion Cut Fancy Yellow Lab Diamond Full Eternity Gold Band Ring

Cushion Cut Yellow Diamond Full Eternity Ring

Luminous Half Eternity White Gold Prong Set Lab Diamond Bridal Wedding Band

Luminous Half Eternity Lab Diamond Bridal Band

Timeless Three-Stone Bezel Set Round Lab Diamond Warm Yellow Gold Stackable Ring

Three-Stone Bezel Lab Diamond Stackable Ring

Soft Whimsical Oval Diamond Yellow Gold Accent Side Stone Bridal Ring

Soft Whimsical Oval Diamond Bridal Ring

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.

01

From diamond growth to finished jewelry

We run a full integrated industrial chain spanning HPHT & CVD lab diamond growth, rough stone cutting and faceting, jewelry design, manufacturing, final polishing, packaging and shipment. Our one-stop service eliminates redundant middle links, greatly lowering your total expenses to the lowest level with consistent quality and fast lead times guaranteed.

02

Verification at every production stage

All Better Star loose diamonds carry official IGI & GIA certifications, meeting rigorous 4C grading standards. We adopt complete quality standards for lab-grown diamond jewelry manufacturing. Strict inspections run through all phases from loose stones to finished goods. Each piece is finely crafted and closely checked to deliver premium quality jewelry to customers.

03

Built for brands and wholesale partners

We stock ample premium loose diamonds. Our expert teams handle design, setting, cutting, polishing, sales and after-sales service. We cater to global jewelry brands and wholesalers, offering high-end OEM & ODM custom solutions. Skilled staff oversee all procedures to efficiently meet varied personalized demands of international partners.

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 Manager · 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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