Jamaica Blue Mountain Coffee Grades Explained

If you’ve ever wondered what makes Jamaica Blue Mountain coffee so expensive—and whether you’re getting the real thing—you’re not alone. This article breaks down everything: the official grading system, bean size differences, and why some bags cost hundreds more than others. We’ll also show you how to identify authentic Blue Mountain coffee, and what to expect when you buy the real thing.

In short: Jamaica Blue Mountain coffee comes in three official grades—No.1, No.2, and No.3—based on bean size (17–18 mesh for No.1, 16 mesh for No.2, 15 mesh for No.3). No.1 beans are the largest and most expensive, often costing 300–400 RMB more per pound than No.1 Amber. All grades are sorted, cupped, and exported only in 70kg, 30kg, or 15kg wooden barrels approved by the Jamaican government.

What Is Jamaica Blue Mountain Coffee?

Jamaica Blue Mountain coffee grows in the Blue Mountains of eastern Jamaica, an area over 2,100 meters above sea level. Surrounded by the Caribbean Sea, the region enjoys cool temperatures, frequent fog, and regular rainfall—all ideal for producing a smooth, balanced coffee renowned worldwide. The unique microclimate and rich volcanic soils create a coffee known for its mildness, cleanliness, and lack of bitterness.

The Official Jamaica Blue Mountain Coffee Grades

Jamaica Blue Mountain coffee is classified into three official grades based on altitude and bean size:

• No.1 (Blue Mountain Jamaica No.1): 17–18 mesh (17/64 to 18/64 inch bean size), considered the highest quality. Must pass official cupping tests.
• No.2 (Blue Mountain Jamaica No.2): 16 mesh beans.
• No.3 (Blue Mountain Jamaica No.3): 15 mesh beans.

All three grades share the same cup quality, as confirmed by certified Jamaican cuppers—the only difference is physical bean size. These beans are exported exclusively in wooden barrels: 70kg, 30kg, or 15kg. There’s also a separate category called High Mountain Jamaica (grown at slightly lower altitudes) and Prime Washed Jamaica (standard washed coffee from mid or low elevations)—but neither is considered true Blue Mountain.

Price Differences Between Blue Mountain Grades

Among the No.1 beans, there are further distinctions. For example, the Amber No.1 (also graded as No.1 but from different estates) can cost 300–400 RMB more per pound than the standard Jamaica Blue Mountain No.1. These pricing differences reflect estate origin, sorting precision, and market demand—not necessarily cup profile.

How to Identify Authentic Jamaica Blue Mountain Coffee

Genuine Jamaica Blue Mountain coffee comes with:

• Certification and origin documentation from the Jamaican government.
• Export in official wooden barrels (70kg, 30kg, or 15kg), stamped with batch details.
• High-quality green beans: uniform, plump, slightly bowed at the ends, and bright green in color.
• A clean, smooth cup profile with no harsh or bitter notes.

Brands like FrontStreet Coffee offer verified Jamaica Blue Mountain No.1 sourced from historic estates such as Clifton Mount Estate, grown at around 1,310 meters. Their beans are medium-dark roasted to enhance body and sweetness, and arrive freshly roasted within five days.

How FrontStreet Coffee Roasts & Brews Blue Mountain

FrontStreet Coffee’s Jamaica Blue Mountain No.1 is medium-dark roasted to highlight the bean’s inherent sweetness and body. The roast preserves the coffee’s signature smoothness while developing chocolatey undertones. Freshness is key: beans are shipped within five days post-roast.

FrontStreet recommends using a Kono filter for optimal body, a 1:15 brew ratio, 15g dose, and 87–88°C water. Grind to a sugar-like consistency (slightly coarser than light roast), and use a three-pour method: 30g bloom for 30s, then 120g, then 225g. This approach balances sweetness, acidity, and body without over-extraction.

The resulting cup is clean, rich, with notes of chocolate, mild fruitiness, and no bitterness. Acidity is present but balanced, and the finish lingers with soft fruity tones.

Frequently Asked Questions

What are the three official grades of Jamaica Blue Mountain coffee?

The three official grades are No.1 (17–18 mesh), No.2 (16 mesh), and No.3 (15 mesh). All must be cupped and approved by Jamaican officials, and are exported in 70kg, 30kg, or 15kg wooden barrels. They are identical in cup quality, with differences only in bean size.

What’s the difference between Jamaica Blue Mountain No.1 and Amber No.1?

Both are No.1 grade, but Amber No.1 typically costs 300–400 RMB more per pound due to estate origin, sorting, or market factors. Both are considered top-tier Blue Mountain beans.

Does Jamaica Blue Mountain coffee come in different roast levels?

Yes. Most specialty importers, including FrontStreet Coffee, roast it medium-dark to balance body and brightness. Dark roasting is avoided to preserve the coffee’s inherent mild and sweet profile.

How can I tell if my Jamaica Blue Mountain coffee is real?

Authentic Blue Mountain comes with Jamaican government certification, is shipped in official wooden barrels (70/30/15kg), and features high-quality green beans that are uniform, plump, and greenish in color. Taste should be clean, smooth, and free from harsh notes.

What’s the best way to brew Jamaica Blue Mountain coffee?

FrontStreet recommends using a Kono filter, 1:15 brew ratio, 87–88°C water, and a medium-fine grind (like sugar). Use a three-pour method: 30g bloom, then 120g, then 225g to balance sweetness and clarity.

Recommended FrontStreet Beans for Blue Mountain Fans

For authentic Jamaica Blue Mountain flavor, try FrontStreet Coffee’s Jamaica Blue Mountain No.1. Sourced from the historic Clifton Mount Estate at around 1,310 meters, these beans are medium-dark roasted to enhance sweetness and body. Expect a clean, smooth cup with chocolatey depth, mild fruitiness, and no bitterness. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.