Gem Price Estimator 💎

✨ Realistic Gemstone Valuation Tool for Sri Lankan & Global Gems ✨
🌐 Live Demo • 🐛 Report Bug • 💡 Contribute

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📚 Table of Contents

• ✨ Overview
• 🚀 Features
• 🎯 Perfect For
• 🌐 Live Preview
• 🧠 How to Use
• ⚙️ Tech Stack
• 📁 Project Structure
• 💰 Customize Prices
• 💎 Add More Gems
• 🌟 Star History
• 🤝 Contributing
• 📜 License
• ❤️ Credits

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✨ Overview

Gem Price Estimator helps estimate gemstone prices using realistic market logic and 4C evaluation (Color, Clarity, Cut, Carat).
It supports live exchange rates, size-based value scaling, and instant USD/LKR toggling.

🔗 Live App: https://gemprice.vercel.app/

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🚀 Features

• 💎 100+ Real Gem Types (Blue Sapphire, Padparadscha, Ruby, Emerald, etc.)
• 🧮 4C Evaluation — Color, Clarity, Cut, Carat
• 💱 Live USD→LKR Conversion
• 🔁 Instant Currency Toggle (no re-calculation)
• 📈 Size Premium Logic — larger stones = higher price
• 📄 PDF Export for professional valuation
• 📱 Fully Responsive UI (mobile-first)
• ⚡ No Backend Needed — 100% static, deploy anywhere
• 💎 Fine Weight Input (0.01ct precision)

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🎯 Perfect For

• Gem dealers in Ratnapura & Colombo
• Tourists buying gems in Sri Lanka
• Online gem sellers & jewelers
• Jewelry designers, collectors, investors

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🌐 Live Preview

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🧠 How to Use (Demo)

1. Select gem (e.g. Blue Sapphire)
2. Enter weight (e.g. 0.68 ct)
3. Choose Color, Clarity, Cut
4. Toggle USD/LKR instantly
5. Click Export Report → PDF download

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⚙️ Tech Stack

• 🧩 HTML5 + CSS3 (Glassmorphism UI)
• ⚡ JavaScript (ES6+)
• 🧾 jsPDF — PDF export
• 🌍 Exchangerate-API — live rates

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📁 Project Structure

gem-price-estimator/
├── index.html
├── style.css
├── data.js          ← Gem prices & multipliers
├── script.js        ← Core logic + currency toggle
├── screenshot.jpg
└── README.md

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💰 Customize Prices

Edit the data.js file:

'Blue Sapphire (Sri Lankan)': { basePrice: 2500 },  // $/ct (avg 2025)
'Padparadscha Sapphire': { basePrice: 20000 },

📊 Sources: Gemdaia, Praveen Gems, IGS, Gemval (2025 data)

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💎 Add More Gems

Add to the gemsData object:

'Cat\'s Eye Chrysoberyl (Sri Lankan)': { basePrice: 800 },
'Red Spinel': { basePrice: 3000 },

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🌟 Star History

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🤝 Contributing

💡 Contributions are what make open source amazing!

If you’d like to add new gems, improve logic, or enhance UI feel free to fork and submit a PR!

Steps:

1. Fork the project

2. Create your feature branch

   git checkout -b feature/NewGem

3. Commit changes

   git commit -m "Add NewGem type and pricing"

4. Push branch & open Pull Request

📬 You can also open Issues for suggestions or bug reports.

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🧭 Roadmap

• Add Gem Image Database
• AI-powered Value Predictor
• Community Gem Data Upload
• Multi-language Support
• Chrome Extension

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📜 License

Licensed under the MIT License © 2025 DMS-Menula. Free to use, modify, and even sell gems with it 💎

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❤️ Credits

Made with love for Sri Lanka’s gem legacy From Ratnapura to the World 🌍

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