# GEO Audit for Jewelry

> AI checklist for online jewelry stores. Hallmark, GIA/IGI stone certification, care, engraving - maximize AI visibility for your store.

- Canonical HTML: https://verityscore.io/en/industries/jewelry/
- Markdown alternate: https://verityscore.io/en/industries/jewelry.md
- Language: en
- Industry id: jewelry

Hallmark, stone certification, custom engraving - AI agents verify authenticity before recommending.

In jewelry, trust is the primary purchase factor - and AI agents know it. ChatGPT Shopping and Perplexity systematically verify hallmark (750/925), stone certification (GIA, IGI, HRD), and care conditions before recommending jewelry. The jewelry industry has a critical urgency on hallmark (Z84): without this data in schema.org, your product loses the industry's #1 trust signal.

## Required content

- Hallmark / metal purity (critical) : Z84
- Care & storage (medium) : Z86


## Expected trust signals

- Stone certification (GIA, IGI) (high) : Z85


## Benchmarks

- Structured fields: 8
- AI-extractable claims: 6
- Trust signals in schema: 2
- Content gaps: 3


## Schema.org

- hallmark: Poinçon/Titrage. Fix: "additionalProperty": [{"@type": "PropertyValue", "name": "Hallmark", "value": "750 (18K Gold)"}]


## Prompt zones

- Z84: material_authenticity : Poinçon, titre métal (or 18K/750, argent 925) visible HTML sur PDP
- Z85: stone_certification : Certification pierres (GIA, IGI, HRD) ou composition visible sur PDP
- Z86: jewelry_care : Instructions d'entretien et de stockage accessibles depuis PDP
- Z87: custom_engraving : Option gravure/personnalisation ou livraison cadeau visible near CTA


## UX patterns

- engraving_preview: Real-time custom engraving preview on the product
- ring_sizer: Virtual ring sizer to determine ring size


## FAQ

### Why is hallmark a critical urgency in GEO?

Hallmark (18K Gold/750, Sterling Silver 925) is the #1 trust signal in jewelry. AI agents consider it mandatory to recommend jewelry. Without additionalProperty name='Hallmark' value='750 (18K Gold)', your product is filtered.

### How do I expose stone certification?

Add additionalProperty name='Stone Certification' value='GIA Certified' in schema.org Product. AI agents extract this for queries like 'GIA certified diamond ring'.

### Is custom engraving detected by AI?

Yes. Zone Z87 evaluates engraving or customization options near CTA. It's a strong positive signal that differentiates your store from competitors.

### Do care instructions matter?

Yes. Zone Z86 checks care and storage instructions accessibility from PDP. AI agents extract them to answer usage queries.

### What jewelry-specific zones does Verity Score analyze?

Z84 (hallmark/metal purity - critical urgency), Z85 (stone certification), Z86 (care/storage), Z87 (engraving/customization). Plus 35+ cross-industry zones.


## Related articles

- https://verityscore.io/en/kb/eeat-signaux-ia/
- https://verityscore.io/en/kb/prix-visibilite-ia/