Onyx Coffee Lab vs Heart Coffee Roasters

Onyx Coffee Lab and Heart Coffee Roasters are both modern light-roast specialists, but they operate at completely different scales. Onyx offers 23 coffees with an average price of $64.86 per 100g, while Heart keeps a tight 5-coffee lineup averaging just $7.87 per 100g. This isn't just a price difference—it's a reflection of two distinct philosophies about specialty coffee.

Last updated August 5, 2026. Data refreshed daily from roaster webshops.

Onyx Coffee Lab

Coffees tracked: 59
Avg price /100g: US$23.87/100g
Price range: US$3.24/100g – US$188/100g

Heart Coffee Roasters

Coffees tracked: 0

Top picks

Onyx Coffee Lab

Onyx Coffee Lab is for coffee geeks chasing ultra-rare microlots and experimental processing, with coffees reaching $259.65 per 100g for their most exclusive offerings.

Heart Coffee Roasters

Heart Coffee Roasters is for daily drinkers who want consistently clean, approachable light roasts without the ceremony or the price tag.

No coffees tracked yet for this roaster.

Verdict

Heart is the clear winner for daily drinking—their sub-$8 average makes high-quality light roasts financially sustainable for regular consumption. Onyx is for special occasions, competition prep, or when you want to taste something genuinely rare and are willing to pay for it. If you're building a coffee habit, start with Heart; if you're already deep in the specialty rabbit hole, Onyx is where you'll find the outliers.

What they share

Both roast light to showcase origin characteristics and processing methods rather than roast flavor
Both prioritize direct relationships with producers and transparency in sourcing
Both feature East African coffees prominently—Onyx highlights Rwanda and Burundi, while Ethiopia dominates Heart's historical offerings
Neither roaster leans into dark, traditional roast profiles or Italian-style espresso blends

Key differences

Onyx's average price ($64.86/100g) is more than 8x higher than Heart's ($7.87/100g), reflecting their focus on competition-grade microlots versus approachable specialty
Onyx offers 23 coffees spanning seven countries with heavy rotation, while Heart keeps just 5 coffees in a curated, stable lineup
Onyx sources exotic processing methods (naturals, honeys) from countries like Rwanda and Burundi, while Heart's data shows heavy emphasis on Honduras and Colombia
Heart's top coffees list suggests limited current data or heavy focus on a single producer (Ramon Hernandez repeats), while Onyx showcases diverse village and station-level lots
Onyx's price range ($10.57–$259.65) spans accessible to ultra-premium, while Heart stays consistently affordable ($6.13–$17.45)