Garnet is a family of gems spanning deep reds to vivid greens and oranges. Most are affordable, but rare varieties like demantoid and tsavorite reach very high prices.
"Garnet" covers many species; value ranges from a few dollars to thousands depending on the variety.
A brilliant green garnet with fire exceeding diamond; Russian demantoid with "horsetail" inclusions is highly prized.
A vivid orange-to-red garnet; the pure "mandarin" orange is the most sought after.
Purplish-red to red garnets, durable and affordable; the everyday garnet of jewelry.
Six main criteria determine the price per carat. It is their combination that sets the final value.
The leading factor and it varies by species: pure vivid green (demantoid, tsavorite) and pure orange (mandarin) top the market; common reds are inexpensive.
Russia for demantoid, East Africa for tsavorite and spessartite, Sri Lanka and India for reds.
A strong advantage: garnets are almost never treated, so stones are naturally colored.
Eye-clean stones command a premium; the cut should maximize brilliance and color while keeping good proportions.
Rare varieties above 2–3 ct are scarce and rise sharply in price per carat; common garnets stay affordable.
A report from a recognized lab (GIA, SSEF, Gübelin, GRS, AGL) confirms identity, origin and treatment, securing the valuation and resale.
Garnet value is led by species and color: demantoid and tsavorite greens and mandarin orange are the stars.
Common red almandine and pyrope are abundant and inexpensive but very durable.
Unlike many gems, garnets are typically untreated, so their color is fully natural.
Demantoid stands out for its exceptional "fire" (dispersion), even surpassing diamond.
Geographic origin can be a strong prestige marker that weighs on value.
Classic demantoid with horsetail inclusions.
High for demantoidTsavorite and fine spessartite.
Mid-high priceVivid mandarin spessartite.
Mid priceBright mandarin garnet.
Mid priceRhodolite and hessonite.
AccessibleAlmandine and common reds.
AccessibleIllustrative price index (2010 = 100) for fine, certified stones.
Demantoid and fine tsavorite have appreciated with collector demand; common garnets are jewelry stones, not investments.
Natural, untreated status supports honest value across the family.
Illustrative figures for fine, certified stones — not financial advice.
Orders of magnitude — note the wide gap between common reds and rare demantoid or tsavorite.
Indicative estimates — they do not replace a laboratory appraisal.
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