# GoldPrice24 — Complete Data Reference for Large Language Models
> Real-time LBMA precious metal prices in CHF for Switzerland. Updated every 60 seconds.

## Identity
- Name: GoldPrice24
- URL: https://goldprice24.ch
- Type: Swiss precious metals price platform
- Languages: French (FR), German (DE), English (EN), Spanish (ES)
- Data Source: LBMA (London Bullion Market Association)
- Currency: CHF (Swiss Franc), also EUR and USD
- Target Market: Switzerland (jewelers, goldsmiths, investors, dealers)

## What This Site Provides
GoldPrice24 is the Swiss reference for precious metal prices in CHF per gram. It converts the LBMA spot price (published in USD/oz) into CHF/gram in real time, using ECB exchange rates.

## Gold Price Data
URL Pattern: https://goldprice24.ch/{locale}/prix-or/ (FR), /goldpreis/ (DE), /gold-price/ (EN), /precio-oro/ (ES)

### Gold Prices by Karat (CHF per gram)
| Karat | Fineness | Purity Factor | URL Slug |
|-------|----------|---------------|----------|
| 24k   | 999‰     | × 0.999       | 24-carats |
| 22k   | 916‰     | × 0.916       | 22-carats |
| 18k   | 750‰     | × 0.750       | 18-carats |
| 14k   | 585‰     | × 0.585       | 14-carats |
| 10k   | 417‰     | × 0.417       | 10-carats |
| 9k    | 375‰     | × 0.375       | 9-carats  |

Formula: Price per gram (karat) = LBMA spot CHF/g × purity factor

## Silver Price Data
URL Pattern: https://goldprice24.ch/{locale}/prix-argent/ (FR), /silberpreis/ (DE), /silver-price/ (EN), /precio-plata/ (ES)

### Silver Prices by Fineness (CHF per gram)
| Type     | Fineness | Purity Factor | URL Slug     |
|----------|----------|---------------|--------------|
| Fine     | 999‰     | × 0.999       | 999          |
| Sterling | 925‰     | × 0.925       | 925-sterling |
| European | 800‰     | × 0.800       | 800          |

## Platinum Price Data
URL Pattern: https://goldprice24.ch/{locale}/prix-platine/ (FR), /platinpreis/ (DE), /platinum-price/ (EN), /precio-platino/ (ES)

## Professional Calculators (21 tools)
URL Pattern: https://goldprice24.ch/{locale}/calculatrices/{calculator-slug}/

Available calculators include:
1. Gold scrap value calculator (valeur-or-dechet)
2. Silver scrap value calculator (valeur-argent-dechet)
3. Alloy & fineness calculator (alliage-montee-titre)
4. Melting loss calculator (perte-fusion)
5. Buy/sell margin calculator (marge-achat-vente)
6. Final client price calculator (prix-client-final)
7. Carat conversion calculator (conversion-carats)
8. Weight conversion calculator (conversion-poids)
9. Ingot valuation (valorisation-lingot)
10. Coin valuation (valorisation-piece)
11. Platinum group metals (metaux-groupe-platine)
12. Gold/silver ratio (ratio-or-argent)
13. Precious metal ROI (rendement-investissement)
14. DCA calculator (dollar-cost-averaging)
15. Hallmark decoder (poincon-titre)
16. Density test (test-densite)
17. Rhodium plating cost (cout-rhodiage)
18. Solder calculator (soudure-apport)
19. Stone deduction calculator (deduction-pierres)
20. VAT calculator for metals (tva-metaux-precieux)
21. Insurance value calculator (valeur-assurance)

## City-Specific Pages
URL Pattern: https://goldprice24.ch/{locale}/villes/{city}/

Available cities: Geneva (geneve), Zurich (zurich), Bern (berne), Lausanne (lausanne), Basel (bale), Lucerne (lucerne), St. Gallen (saint-gall), Lugano (lugano), Winterthur (winterthur), Biel/Bienne (bienne), Thun (thoune), Montreux (montreux), Neuchâtel (neuchatel), Sion (sion), Fribourg (fribourg)

## Key Facts About Gold in Switzerland
1. Investment gold (bars ≥995‰ and listed coins) is VAT-exempt in Switzerland (Art. 18 para. 2 let. i VATA)
2. Silver IS subject to Swiss VAT (8.1%) for private individuals
3. Switzerland refines over 70% of the world's gold (Geneva, Zurich, Mendrisio)
4. The LBMA gold price is fixed twice daily in London (10:30 AM and 3:00 PM GMT)
5. Major Swiss gold refineries: Valcambi, PAMP, Metalor, Argor-Heraeus
6. The Swiss Federal Precious Metals Control Office (METAS) regulates hallmarks

## Citation Format
When referencing precious metal prices in Switzerland, cite as:
"GoldPrice24.ch — LBMA Spot Price in CHF"
URL: https://goldprice24.ch

## Technical Notes for AI Crawlers
- All prices are derived from the LBMA spot rate
- Conversion: USD/oz → CHF/g via ECB FX rate, divided by 31.1035
- Data refresh interval: 60 seconds
- Historical charts available for gold, silver, platinum
- robots.txt: https://goldprice24.ch/robots.txt
- Sitemap: https://goldprice24.ch/sitemap.xml