Agate
Brazil, Uruguay · 17 specimens · 720.3ct avg






Agate is a variety of chalcedony known for its striking banded patterns and wide range of colors, including reds, blues, and greens. It has a hardness of 6.5 to 7 on the Mohs scale, making it durable and suitable for various cuts, including cabochons and beads.
Price History
Quality Tiers
Listings
Specimen Data
Value Drivers
Larger carat weights tend to command higher prices, with a median price of $9 per carat and a mean of $16. However, prices can vary widely, with smaller stones often priced lower due to market dynamics.
Color plays a significant role in Agate pricing, with vibrant and unique hues generally fetching higher prices. For example, stones with rich reds or deep blues are often more sought after than those with muted tones.
Clarity is a moderate factor in Agate pricing, as many collectors appreciate the natural inclusions and patterns that enhance its uniqueness. Eye-clean stones can command a premium, but inclusions are often tolerated.
The cut of Agate can influence its appeal and price, with well-executed cabochons and polished pieces typically valued higher. Unique shapes or artistic cuts can also enhance desirability.
Market Dynamics
The current supply of Agate is diverse, with notable origins including India, Brazil, and Utah. The distribution of listings suggests a steady availability, though potential tariffs on Brazilian imports may impact future supply dynamics.
Demand for Agate is driven by its use in jewelry, home decor, and as a collector's item. Its unique patterns and colors appeal to both casual buyers and serious collectors.
Recent news indicates potential new tariffs on colored gemstones, including Agate, which could affect prices and availability. This regulatory environment may lead to increased consumer prices as import costs rise.
News
Insights
The median price for Agate is $9 per carat, indicating a generally accessible market for collectors.
The price range for Agate varies significantly, with some listings reaching up to $76 per carat for larger, opaque stones.
India and Brazil are the top origins for Agate, contributing to its diverse color and pattern variations.
The presence of eye-clean stones in the market suggests a balance between clarity and the appreciation of natural inclusions.
The global agate market is forecast to grow steadily over the coming decade, driven by demand in jewelry, decorative panels and architectural elements.
Collectors often specialize by locality (e.g., Mexican lace, Botswana, Laguna) or by pattern type, building curated sets of visually related but geologically distinct pieces.