2,000+ customers · 100+ countries
ZJDU

Manufacturer · Since 2004

Lab-grown diamond & gemstone jewelry, made for your brand.

Wholesale rings, necklaces and certified loose stones in S925 silver, 14K and 18K gold — direct from a factory with 21 years of experience.

IGIGIAGIL certifiedOEM / ODM
21
Years of manufacturing
2,000+
Customers worldwide
100+
Countries served
1–2 days
CAD turnaround

Market

Latest precious-metal prices

As of Oct 7, 2026, 5:54 PM UTC · refreshed every 6 hours · source xaus.com

Gold
USD / troy oz
$4,111.40
USD / gram
$132.18
CNY / gram
¥887.21
Silver
USD / troy oz
$59.956
USD / gram
$1.928*
CNY / gram
¥12.94*
USD / CNY
6.7119
1 US dollar in Chinese yuan

* Silver per gram is converted at xaus.com rates (USD per troy oz ÷ 31.1034768, × USD/CNY). Indicative market prices for reference only — not an offer or a product price.

Collections

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Certified stones

IGI / GIA / GIL certificates on lab-grown diamonds, from 0.5 ct to 6 ct and melee.

OEM & ODM

Free custom logo. Our CAD team turns a sketch into a design in 1–2 days.

Low MOQ, tiered pricing

Start with samples, then unlock volume tiers once your account is approved.

Ships worldwide

2,000+ customers in 100+ countries. DHL / FedEx / UPS with tracking.

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Rings

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Fine jewelry

Necklaces & pendants

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Custom / OEM

Have a design in mind?

Send a sketch, photo or reference link. We'll return a CAD render in 1–2 days and a sample quote right after.