Black truffles are among the most sought-after and expensive truffle species in the world. The black truffle is prized for its intense, complex aroma and rich flavour, and quality depends on multiple factors including appearance, size, ripeness, and storage conditions. In this article, we'll examine the classification of black truffles in detail and provide you with a comparison table to easily evaluate the differences between various grades. For readers interested in other premium varieties, you may also want to explore our extra-grade black truffle selection and the A-grade black truffle option.
Quality Assessment Criteria for Black Truffles
The quality of black truffles is determined by the following key factors:
- Shape and size - perfectly round or oval, without deformations
- Absence of defects - no scratches, cracks, or rotten areas
- Degree of ripeness - properly matured for optimal aroma, especially in tuber melanosporum
- Storage method - freshness is preserved under strictly controlled conditions after the truffle harvest
Classification of Black Truffles
1. Extra Grade – Premium Quality Black Truffles
- Shape: Perfectly round/oval, defect-free
- Size: 20–60 grams
- Use: Luxury restaurants (Michelin-starred)
- Price range: 2000–5000 €/kg
- Harvest share: Only 3% of total production
2. Grade A – High Quality
- Shape: Good, with minimal acceptable deviations
- Size: 15–100 grams
- Use: Premium restaurants and gourmet cooking
- Price range: 1200–2500 €/kg
3. Grade B – Standard Quality
- Shape: Irregular, with minor defects
- Size: 10–20 grams
- Use: Home cooking and casual restaurants
- Price range: 600–1200 €/kg
4. Grade C – Commercial Quality
- Shape: Non-uniform, with visible defects
- Size: 1–10 grams
- Use: Truffle oils, sauces, and processed products
- Price range: 200–500 €/kg
Comparison Table: Black Truffle Grades
| Criterion | Extra Grade | Grade A | Grade B | Grade C |
|---|---|---|---|---|
| Shape | Perfect, defect-free | Good, minimal deviations | Irregular, minor defects | Non-uniform, visible defects |
| Size (grams) | 20–60 | 15–100 | 10–20 | 1–10 |
| Price (€/kg) | 2000–5000 | 1200–2500 | 600–1200 | 200–500 |
| Primary Use | Michelin restaurants | Premium restaurants | Home cooking | Food industry |
| Availability | Extremely rare (3%) | Limited availability | Widely available | Most accessible |
How to Choose the Right Truffle?
- For special occasions → Extra Grade or Grade A
- For regular home use → Grade B
- For cooking oils and sauces → Grade C
Conclusion
Understanding the classification of black truffles helps you make informed purchasing decisions based on your needs and budget. At Terra Ross, we offer a carefully selected range of certified black truffles in all quality grades, ensuring you find the perfect option for any culinary application. If you're looking for premium seasonal varieties, browse our fresh autumn truffle and fresh winter truffle options as well.
(The comparison table provides clear visualization of differences between grades to help with purchasing decisions.)


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