The live GemstoneAI index for aquamarine. For prices by quality and size, see the aquamarine price guide.
A market-wide average across qualities and sizes. Your stone's value depends on carat, color, clarity, cut, treatment, and origin.
Aquamarine is renowned for its serene blue to greenish-blue hues, reminiscent of the sea. With a hardness of 7.5 to 8 on the Mohs scale, it is durable enough for everyday wear, and it is commonly cut into emerald shapes or ovals to enhance its color.
Market averages will not price your stone. GemstoneAI identifies gems and jewelry from a photo, checks authenticity and treatment signals, and gives you a real market valuation in seconds. Free to try.
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The middle first-read value from GemstoneAI scans of each kind of aquamarine jewelry. All jewelry values from real scans.
The GemstoneAI market index for aquamarine is $257 per carat as of 2026-11-09. That is a market-wide average across qualities, not a quote for a specific stone. Individual value depends on carat, color, clarity, cut, treatment, and origin.
Visual tests alone are unreliable. GemstoneAI identifies the stone from a photo, shows what else it could be, and estimates market value. It is free to try.
Over the past 30 days the aquamarine index moved -2.2%. Gem prices move on supply, demand, and metal markets; treat any single stone as a collectible first and an asset second.