Reviewed September 2026 against USGS Mineral Commodity Summaries 2026 and current gemstone pricing guides (Giliarto, Emeralds.com, Rock Chasing, Gem Rock Auctions).

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Why These Four Prices Get Searched Together

Emerald, Herkimer “diamond” (which is actually double-terminated quartz, not a diamond), goshenite (colorless beryl), and jade sit at very different price points, but buyers researching one often need all four for the same reason: they are pricing a rough parcel or a mixed mineral-specimen lot and need a fast per-carat reference to sanity-check a quote. For mining, gemstone dealing, land planning, and collector/investment use, these figures:

• ✔ Set a floor and ceiling for negotiating a rough parcel before it goes to a cutter
• 📊 Flag when a quoted price is implausibly high or low for the stated grade
• ⚠ Inform land-use and exploration decisions where these minerals occur alongside other extractable resources
• 🔗 Matter for provenance and traceability documentation, since origin drives a large part of the spread within each gem type

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Raw Emerald Price per Carat, By Grade

Raw emerald price per carat breaks into three tiers that gem-trade pricing guides consistently separate:

• Commercial grade: $100–$500 per carat. Visible inclusions, moderate color saturation — the tier most jewelry-counter emerald falls into (Giliarto Emerald Pricing Guide, 2026).
• Mid-range grade: $500–$3,000 per carat. This is the most common tier transacted in the commercial jewelry market — better color, fewer eye-visible inclusions (Giliarto, 2026).
• Colombian-origin span: $60–$10,000 per carat covers the full range Emeralds.com publishes for Colombian material specifically, from included small stones up to fine, vivid, eye-clean rough (Emeralds.com, 2026).

Above the mid-range tier, exceptional stones — vivid “Muzo green” color, minimal jardin, larger sizes — move into five and low-six figures per carat, but no gem-trade guide in this brief publishes a public ceiling for that top tier; auction results are the only reliable source, and they are lot-specific rather than a standing price list.

Herkimer Diamond Price per Carat

Herkimer diamonds are double-terminated quartz crystals, mined primarily around Herkimer County, New York — not a diamond in the mineralogical sense, which is why the price sits at a fraction of a cent to low double digits per carat rather than diamond-tier pricing. Gem Rock Auctions lists current retail at $0.10 to $14 per carat, with the low end covering small, cloudy, or included crystals sold as mineral specimens, and the top of the range reserved for large, gemmy, well-terminated crystals with strong clarity.

USGS’s Mineral Commodity Summaries does not break out Herkimer diamond production or value separately — it is not itemized in the federal gemstone dataset, since output is small and mostly sold direct through specimen dealers and local New York mine-tour operations rather than through channels USGS surveys. If you need current wholesale pricing for a specific parcel, the practical path is to request quotes from two or three specimen dealers who buy direct from Herkimer County diggings and compare against the $0.10–$14/ct published range.

Goshenite Price per Carat

Goshenite is colorless beryl — the same mineral family as emerald and aquamarine, minus the trace elements that produce color. Because it lacks the color grading that drives most beryl value, goshenite prices on clarity and cut quality alone: eye-clean, well-cut goshenite runs $10–$30 per carat at retail (gemslore.com, 2026). That is roughly a tenth of commercial-grade emerald’s floor price, which is the clearest illustration of how much of emerald’s value is specifically the color, not the beryl itself.

Like Herkimer diamonds, goshenite has no USGS-itemized production data; the US gemstone statistics group beryl varieties together without a color-grade breakdown (see US Production section below for what USGS does publish).

Jade Price per Carat

“Jade” covers two distinct minerals — nephrite and jadeite — with jadeite carrying the far wider and higher price range:

• Low-grade jade: $10–$100 per carat — opaque, dull color, common nephrite or lower jadeite grades (Rock Chasing, 2026).
• High-grade jadeite: $1,000–$10,000 per carat — good translucency and even color (Natural Gemstones Company, 2026).
• Imperial jade: $10,000–$100,000+ per carat — vivid emerald-green color combined with high translucency, the top grade of jadeite (Rock Chasing, 2026).

That is a four-order-of-magnitude spread within one gem name, wider than emerald’s own range — which is the single most important thing to establish before quoting or accepting any “jade” price: which of the three tiers above is actually being discussed.

Price Comparison Table

Rough Stone Value Calculator

Estimate a rough parcel’s value range using the per-carat tiers cited above — enter the carat weight and pick the gem and grade tier that matches your stone.

Assumes the full parcel is uniform, single-grade rough at the per-carat ranges cited in this article’s tables. Excludes cutting yield loss, treatment costs, dealer margin, and any premium for exceptional individual stones above the published tier ceilings.

US Gemstone Production: What USGS Actually Reports

USGS's Mineral Commodity Summaries 2026 puts total US natural and synthetic gemstone combined production value at $47 million for 2025. Six states — Arizona, Oregon, California, Nevada, Montana, and Maine — account for 68% of US natural gemstone production (USGS Mineral Commodity Summaries 2026). This is the federal-level figure; USGS does not itemize emerald, jade, goshenite, or Herkimer diamond production separately within that total, which is why per-carat retail pricing guides, not government production statistics, are the source for every number in the tables above.

That gap runs in both directions: goshenite and jade production volumes are folded into general "beryl" and "jade" categories with no sub-commodity detail, and Herkimer diamond output isn't itemized at all in official USGS breakdowns. For current-year figures, USGS republishes its Mineral Commodity Summaries annually — check the USGS gemstones chapter directly for the latest release before citing the $47 million figure as current beyond 2025.

What Actually Moves These Prices

Every tier boundary above traces back to the same short list of grading factors, weighted differently by gem:

1. Color and Saturation

Dominant for emerald and jade, irrelevant for goshenite (colorless by definition), and secondary for Herkimer diamonds (clear to smoky, with clarity mattering more than hue). Imperial jade's premium over high-grade jadeite is almost entirely a color-saturation jump — vivid emerald-green versus merely good color, at the same translucency.

2. Clarity and Translucency

Emeralds routinely contain natural inclusions ("jardin"); eye-clean large emeralds command premiums specifically because they're rare, not because inclusions are unusual. Jade prices on translucency more than transparency — the jump from opaque low-grade material to translucent high-grade jadeite is worth roughly 10–100x per carat on its own.

3. Origin and Documented Provenance

Colombian origin alone spans emerald's full $60–$10,000/ct published range — origin isn't a flat premium, it interacts with grade. Zambian and Brazilian emerald sources carry their own reputations but aren't broken out with separate published per-carat ranges in this brief's sources.

4. Market Segment: Jewelry vs. Specimen vs. Industrial

Herkimer diamonds sell mostly as mineral specimens and to the New York tourist/rockhound trade rather than through jewelry channels, which keeps the ceiling at $14/ct even for excellent crystals — a fundamentally different demand pool than gem-grade emerald or jadeite.

Implications for Mining, Land Use, and Procurement

Mining Operations

In the US, the states carrying 68% of natural gemstone production — Arizona, Oregon, California, Nevada, Montana, Maine — are also active hardrock and industrial-minerals mining states. Gemstone occurrences often surface during exploration for other commodities, which is where per-carat pricing intelligence feeds directly into a go/no-go decision on whether to permit and process a gem-bearing zone separately from the primary target.

Land Use and Claims

Rockhounding and small-scale gem claims (including Herkimer County's diamond digging sites) typically operate under different permitting than industrial mineral extraction. Planners assessing mixed-use land — agricultural, forested, or otherwise — need the gem-specific price context to weigh whether a small gem-bearing zone justifies separate claim staking versus incidental recovery during other operations.

Procurement and Supply Chain

Because none of these four gems has a public exchange price, procurement teams sourcing rough parcels are reliant on retail/wholesale guides like the ones cited here plus direct dealer quotes. Cross-checking a quoted price against the published tier ranges above is the fastest available sanity check before committing to a purchase.

Finding Gemstone-Bearing Ground with Satellite Data

At Farmonaut, we provide satellite-based mineral intelligence for exploration teams assessing ground that may carry gemstone or associated mineral potential.

• 🛰️ Satellite & AI-powered detection: identify high-potential mineralized zones across large areas without ground disturbance.
• 🌍 Multi-country coverage: our platform supports exploration projects across a wide range of countries and terrains.
• 🌱 Environmental stewardship: satellite-first methods avoid ground disturbance during early-stage exploration.
• ⚡ Outcome-driven reporting: high-resolution maps and prospectivity overlays for technical and commercial teams alike.

Our technology is especially useful where prospective gemstone-bearing ground overlaps active agricultural or forestry land, enabling a fast read on land-use tradeoffs before committing to ground-based exploration.

Due Diligence for Buyers and Planners

• ✔ Confirm the grade tier before comparing prices — "emerald" or "jade" alone are not enough; ask which tier in the tables above the quoted stone matches.
• 📊 Cross-check against at least two published guides when a quote sits outside the ranges here — treatment history (oiling in emerald, dyeing in jade) can shift a stone between tiers.
• ⏱️ Factor in cutting yield — rough weight is not finished-stone weight; expect meaningful loss from rough to polished, more for included material than clean material.
• 🔎 Request origin documentation for any emerald or jade purchase above the commercial tier, since origin claims materially affect resale value in both gems.

• 🛡️ Diversify suppliers for any gem sourced through a single artisanal or small-scale channel.
• 📝 Verify treatment disclosure in writing — oiling, dyeing, and heat treatment are common and legal but must be disclosed.
• 🌍 Use satellite exploration data to assess new sourcing ground before committing to ground-based due diligence.

Frequently Asked Questions

Q1: What is the raw emerald price per carat in 2025–2026?

Commercial grade runs $100–$500/ct, mid-range $500–$3,000/ct, and the full Colombian-origin span is $60–$10,000/ct (Giliarto Emerald Pricing Guide; Emeralds.com, 2026). There is no public exchange price for emerald — these are retail/wholesale trade-guide ranges, refreshed periodically as market conditions shift.

Q2: What is the Herkimer diamond price per carat?

$0.10 to $14 per carat at current retail, per Gem Rock Auctions — small or included crystals at the low end, large gemmy well-terminated crystals at the top. Herkimer diamonds are quartz, not diamond, and USGS does not itemize their production separately.

Q3: What is the goshenite price per carat?

Eye-clean, well-cut goshenite retails at $10–$30 per carat (gemslore.com, 2026) — roughly a tenth of commercial emerald's floor, reflecting that goshenite is colorless beryl priced on clarity and cut alone.

Q4: What is the jade price per carat?

Low-grade jade: $10–$100/ct. High-grade jadeite: $1,000–$10,000/ct. Imperial jade (vivid green, high translucency): $10,000–$100,000+/ct (Rock Chasing; Natural Gemstones Company, 2026). Confirm which tier before treating any single "jade price" as representative.

Q5: Does the US government publish per-carat gemstone prices?

No. USGS's Mineral Commodity Summaries reports total production value ($47 million for combined US natural and synthetic gemstones in 2025) and state-level share (68% from six states), but not unit pricing by gem type. Per-carat figures come from gem-trade pricing guides, not federal statistics — check USGS's gemstones chapter for the current production-value release.

Q6: How does Farmonaut support gemstone and mineral exploration?

We deliver satellite-based mineral detection intelligence, screening large territories for high-potential mineralized zones and mapping geological trends without ground disturbance. Explore our satellite-based mineral detection for site-specific insights.

Conclusion

The durable takeaway across all four gems is the same: grade tier, not gem name, sets the price. A "$10 jade" and a "$100,000 jade" are the same mineral family at opposite ends of a translucency-and-color spectrum, and the same logic — narrower, but still real — applies to emerald, goshenite, and Herkimer diamond. None of these four have a public exchange price, so every figure in this article traces to a gem-trade pricing guide rather than a government data feed; treat the USGS production-value figure ($47 million, 2025) as context on US output scale, not as a per-carat price source.

To keep using this article after the cited ranges age: re-pull the same named guides (Giliarto, Emeralds.com, Rock Chasing, Natural Gemstones Company, Gem Rock Auctions, gemslore.com) for the current quarter's figures, and re-check USGS's Mineral Commodity Summaries for the next annual production-value release.

• ✔ Grade tier first, gem name second: confirm the tier before comparing or quoting any price.
• 📊 No exchange price exists for any of these four gems — trade guides and dealer quotes are the source, not a ticker.
• ⚠ Origin and treatment disclosure materially shift a stone's position within its tier.
• 🚀 USGS gives scale, not unit price — use it for US production context, not per-carat figures.