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Alpha Jewelry
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    • Engagement RingsLab-grown & natural diamond
    • Bridal Sets & Wedding BandsMatching sets, eternity & stacking bands
    • Ring Mountings (Semi-Mounts)Ready-to-set settings, gold or Pt950

    Necklaces & Earrings

    • Pendants & NecklacesSolitaire, cluster & symbol pendants
    • EarringsStuds, hoops & drops

    Diamonds & Packaging

    • Jewelry PackagingCustom-logo pouches & boxes, from 100 pcs
    Custom orderAny style, made to your specChange metal, stone or size on any design — from just 1 piece.Get a free quote →Shop all products →
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    Manufacturing

    • OEM & ODM Jewelry ManufacturingPrivate label under your brand, from 1 pc
    • Lab-Grown Diamond JewelryIGI stones, settings & production
    • Custom Tennis Bracelets & NecklacesOEM / ODM tennis lines
    • Family Crest Signet RingsCrest & monogram engraving

    Design & Prototyping

    • 3D CAD Jewelry DesignProduction-ready CAD in 2–3 days
    • Jewelry Mold MakingMasters, silicone molds & waxes
    • Semi-Mounting ServiceSettings ready for your stones

    Finishing & Branding

    • 2.5μm Vermeil PlatingThick gold over 925 silver
    • Custom Jewelry PackagingBranded boxes & pouches
    How it worksIdea → CAD → production → your doorRings & pendants ship 7–14 days after CAD approval. NDA on request.See the process →All services →
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    • Ring Size Guide
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    • Types of Earring Backs
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    • About Alpha JewelryGuangzhou Panyu workshop, 15+ years
    • Cooperation ProcessStep-by-step from brief to delivery
    • Contact UsWhatsApp, email & address

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    • Nickel-Free White Gold Statement
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Rings

Engagement RingsBridal Sets & Wedding BandsRing Mountings (Semi-Mounts)

Necklaces & Earrings

Pendants & NecklacesEarrings

Diamonds & Packaging

Jewelry Packaging
Services
All services →

Manufacturing

OEM & ODM Jewelry ManufacturingLab-Grown Diamond JewelryCustom Tennis Bracelets & NecklacesFamily Crest Signet Rings

Design & Prototyping

3D CAD Jewelry DesignJewelry Mold MakingSemi-Mounting Service

Finishing & Branding

2.5μm Vermeil PlatingCustom Jewelry Packaging
Resources
All jewelry guides →

Buyer Guides

OEM vs ODM vs Private LabelProduction Lead TimeManufacturing Cost Breakdown

Jewelry Guide

Ring TypesParts of a RingRing Size GuideWedding Band ProfilesTypes of EarringsTypes of Earring BacksTypes of Clasps

Insights

BlogIndustry News
About
About overview →

Company

About Alpha JewelryCooperation ProcessContact Us

Quality & Policies

Sustainability & Ethical SourcingNickel-Free White Gold StatementShipping PolicyRefund & Returns
Contact
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Daily Archives: 11/09/2026

Home/2026/September/11
private label 9K yellow gold GIA natural diamond signet ring supplier — custom jewelry manufacturing photo 1
11 Sep
Manufacturing & OEM

Diamond Signet Ring Supplier — Wholesale Guide

Posted by author-avatar Alpha Jewelry Team
29/10/2026
0
Diamond Signet Ring Supplier manufacturing guide for jewelry brands: OEM production, CAD design, quality control, and factory sourcing tips from Alpha.
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Alpha Jewelry

Custom fine jewelry manufacturer — OEM / ODM & private label for brands, designers and individual buyers. From 1 piece.

Guangzhou Guya Jewelry Co., Ltd.
Room 329, 3F, JuYing Jewelry International Center, Panyu District, Guangzhou, Guangdong, China
WhatsApp +86 185 2059 5760alpha_jewelry@163.com
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ShopEngagement RingsBridal Sets & Wedding BandsRing Mountings (Semi-Mounts)Pendants & NecklacesEarringsJewelry Packaging
ServicesOEM & ODM Jewelry ManufacturingLab-Grown Diamond JewelryCustom Tennis Bracelets & NecklacesFamily Crest Signet Rings3D CAD Jewelry DesignJewelry Mold MakingSemi-Mounting Service2.5μm Vermeil PlatingAll services →
ResourcesOEM vs ODM vs Private LabelProduction Lead TimeManufacturing Cost BreakdownJewelry GuideBlogIndustry News
CompanyAbout Alpha JewelryCooperation ProcessContact UsSustainability & Ethical Sourcing
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