Amethyst is the most popular purple gemstone and one of the most affordable quartz varieties. While amethyst was once valued alongside rubies and emeralds (before large Brazilian deposits were discovered in the 19th century), it now offers exceptional beauty at very accessible prices. Most jewelry-quality amethyst costs $5-$50/ct, with premium 'Siberian' quality reaching $50-$100/ct. This makes amethyst ideal for bold, large-carat jewelry pieces.
Amethyst Price Chart
| Quality | Price/Carat | Notes |
|---|---|---|
| Pale lavender, common | $1–$5 | Mass market |
| Medium purple, clean | $5–$20 | Standard jewelry grade |
| Deep vivid purple, large | $15–$40 | Fine jewelry |
| Siberian quality, top color | $30–$100 | Premium grade |
Color Quality and Pricing
The finest amethyst color is a vivid, saturated purple with red and blue flashes — sometimes called 'Siberian' quality regardless of origin. Deep, evenly saturated purple commands the highest prices, while pale lavender or brownish-purple is significantly less valuable. Color zoning (visible bands of lighter and darker purple) reduces value. The best stones show consistent, vivid color from every angle. Unlike many gemstones, amethyst is abundant enough that even fine color is affordable. GemstoneAI can help you assess amethyst color saturation and identify any color zoning.
Origins and Market Tiers
Brazilian amethyst dominates the market by volume and offers excellent quality at low prices. Uruguayan amethyst tends toward deeper, more saturated colors and commands modest premiums. Zambian amethyst can show excellent saturation and is increasingly popular. The 'Siberian' quality designation (vivid purple with red and blue flashes) originally referred to Russian sources, now mostly depleted. Today this term describes the color quality regardless of origin. Some collectors prize amethyst from unusual sources like Arizona (Four Peaks mine), which produces fine material in limited quantities.
- Brazilian: $2–$20/ct — abundant, good to fine quality
- Uruguayan: $5–$40/ct — often deeper color, modest premium
- Zambian: $5–$30/ct — good saturation, growing market
- 'Siberian' quality (any origin): $20–$100/ct — top color grade
- Collector origins (Arizona, Russia): $30–$100+/ct — rarity premium
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