Wholesale Loose Diamond
- 600,000 carats monthly capacity for rough lab diamond
- 300,000 carats loose lab grown diamonds in-stock
- Global IGI / GIA laboratory certification available
- Full range of options for carat, cut, color and clarity, etc.

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Better Star is a globally leading full-chain manufacturer of lab grown diamonds. We have a seasoned professional team covering HPHT and CVD lab grown diamond production, loose diamond cutting, polishing and certification, as well as the design, manufacturing, fabrication and packaging of lab grown diamond jewelry. Serving jewelers and brand partners across more than 30 countries worldwide. Read More
Founded in Shenzhen in 2015, Better Star has grown into a fully integrated lab grown diamond enterprise spanning cultivation, cutting, jewelry manufacturing, training, and global distribution.
2015
Founded in Shenzhen600,000 ct
Rough Diamond/Month300,000 ct
Diamond In-Stock15,000+
In-Stock Jewelry30+
Countries Served200+
Jewelry Brand Partners
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.
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.
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.
From your first inquiry to final delivery - a streamlined, transparent workflow designed for efficiency and peace of mind.
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Share your requirements, target market, and budget. Our team responds within 24 hours.
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Our designers create 3D renderings and technical drawings for your approval.
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Physical samples crafted for quality check and design validation before bulk order.
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Full-scale production with strict QC at every stage and real-time progress updates.
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Comprehensive quality checks, certification verification, and packaging preparation.
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Secure global shipping with tracking and after-sales support for any issues.
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