: The highest-valued amethysts are a deep reddish-purple or vivid purple with blue flashes. Lower-quality stones are pale lavender (often called "Rose de France") or have brownish tints. Avoid visible color zoning —strips of lighter or darker color—which is best seen by placing the stone face-down on a white background.
: Unlike diamonds, amethyst is relatively abundant in large sizes, so the price per carat does not jump dramatically as the stone gets bigger. Price Guide (2026 Estimates) buy loose amethyst stones
Loose Amethyst Gemstones - Natural Purple Stones for Jewelry : The highest-valued amethysts are a deep reddish-purple
: A precise cut maximizes brilliance and prevents a "window" (a pale, see-through area in the center). Popular shapes include oval , round , and emerald cuts . : Unlike diamonds, amethyst is relatively abundant in
Prices vary based on intensity and origin (Zambian and Uruguayan stones often command premiums). Description Price per Carat (USD) Best: Deep rich purple, flawless, precision-cut $20 – $80+ AAA Premium: Medium-dark purple, eye-clean $6 – $50 AA Good: Lighter purple with minor inclusions $3 – $15 A/B Budget: Pale lavender or heavily included Recommended Retailers
When buying loose amethyst stones, the most critical factor is the color, with the "Deep Siberian" reddish-purple hue being the gold standard of quality. Amethyst is a durable gemstone (7 on the Mohs scale), making it suitable for daily jewelry like rings and pendants.