A market-wide average across qualities and sizes. Your stone's value depends on carat, color, clarity, cut, treatment, and origin.
Lapis lazuli is a rock composed primarily of the mineral lazurite, with varying amounts of calcite, pyrite and other constituents. It is valued for its rich, royal to ultramarine blue color, often enhanced by golden pyrite flecks and minimal white calcite veining. With Mohs hardness about 5–5.5 and a granular structure, it is best suited for cabochons, beads, inlay and carvings rather than high-wear faceted jewelry.
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.
The GemstoneAI market index for lapis lazuli is $20 per carat as of 2026-08-04. 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 analyzes a photo of your stone for identity, treatment indicators, and authenticity signals, then estimates market value. It is free to try.
Over the past 30 days the lapis lazuli index moved +4.5%. Gem prices move on supply, demand, and metal markets; treat any single stone as a collectible first and an asset second.