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Who Makes The
BEST COFFEE
Editorial sacred-geometry illustration for Colombia El Paraiso Letty Gesha, not a photograph of this coffee or its packaging

Editorial illustration · not a coffee photograph

Editorial sacred-geometry artwork for Colombia El Paraiso Letty Gesha; not a documentary photograph

Editorial illustration

Editorial sacred-geometry artwork for Colombia El Paraiso Letty Gesha; not a documentary photograph

Editorial illustration

Editorial sacred-geometry artwork for Colombia El Paraiso Letty Gesha; not a documentary photograph

Editorial illustration

🇨🇴Colombia · Cauca

Colombia El Paraiso Letty Gesha

Roasted by Onyx Coffee LabRoaster's website
INOCULATED FERMENTATION
TagsColombiaCaucaGeshaLight roastPeachMangoArabicaSingle originEl ParaisoDiego BermudezOnyx Coffee LabIndependent
🇨🇴ColombiaThermal ShockGeshaLight roast
Brand
Onyx Coffee Lab
Roaster website
Visit website
Country
🇨🇴Colombia
Region
Cauca
Town
Piendamó
Farm / Station
El Paraiso
Farmer / Producer
Diego Bermudez
Species
Arabica
Type
Single origin
Grade
Not specified
Variety
Gesha
Process
Roast
Light
Tasting notes
Peach, Yogurt, Red Grape, Mango
Fermentation
Four-day mixed-oxidation fermentation: 60 hours in a tank plus an additional long sealed, pressurized stage with undisclosed inoculates; followed by depulping, channel washing and thermal-shock treatment
Drying
Conflicting Onyx disclosures: summary says raised-bed dried; detailed lot process says approximately 16 days on patios
Product page
Roaster's site
Date reviewed
—
Why some details are blank
  • harvestOnyx identifies April but does not disclose the harvest year for this exact release.
  • drying methodThe exact Onyx page's summary says raised-bed dried, while its detailed lot process says patio dried for approximately 16 days.
  • fermentation inputsOnyx confirms inoculates but does not identify the microorganisms or publish the complete inoculation record.
  • thermal shockThermal-shock treatment is verified, but exact water temperatures and timing are not published.
  • gradeNo formal green-coffee grade is disclosed for the exact release.
  • roast dateThe archived roast-profile section does not contain a populated bag-specific roast date or batch.
  • exact lot provenanceNo harvest year or day-lot identifier is disclosed beyond the named Letty Gesha release.
  • public sentimentNo qualifying independent sensory review or rating was found for this exact Onyx release.
  • owner tastingNo owner tasting observations, approval or Who Makes the Best Coffee score are present; none was inferred or created.
Spotted an error? Report a correction →
The transparency chain

FROM THE BAG
BACK TO THE LAND.

Every link we could verify, traced in one place. Follow the chain as far as it goes — when the industry doesn't disclose a link, we say so instead of guessing.

  1. 01
    The name on the bag
    Colombia El Paraiso Letty Gesha
  2. 02
    The brand
    Onyx Coffee Lab
  3. 03
    The roaster
    Onyx Coffee Lab
  4. 04
    The variety
    Gesha
  5. 05
    The farm
    El Paraiso
  6. 06
    The farmer
    Diego Bermudez
  7. 07
    The region
    Cauca
  8. 08
    The country
    🇨🇴Colombia
From the producer

Diego Samuel Bermudez is the producer behind Finca El Paraíso in Piendamó, Cauca. The farm documents proprietary thermal-shock, microbiology and yeast-mediated processing work; this record uses only the exact steps Onyx publishes for the Letty Gesha release and does not import protocols from other El Paraíso lots.

From the roaster

Onyx describes peach, yogurt, red grape and mango in an Ultra Light roast with ground Agtron 132. Onyx also reports an 88-point roaster cup score and a 185-pound microlot; neither is a Who Makes the Best Coffee house score or independent public rating.

Why this coffee is noteworthy

This exact 2026 release pairs Gesha from Diego Bermudez's Finca El Paraíso with a documented four-day mixed-oxidation and thermal-shock process. Onyx publishes unusually detailed purchasing and lot data: $30 green cost, $2.26 market reference, $1.50 transportation, an A pay-structure grade, an 88-point roaster cup score and a 185-pound microlot. These remain roaster disclosures, not house judgments.

The honest process breakdown

WHAT DID THEY ACTUALLY
DO TO THIS COFFEE?

01
Mixed-oxidation fermentation

Onyx states a four-day total fermentation, including 60 hours in a tank and an additional long sealed, pressurized stage with inoculates. The second-stage duration and inoculate identity are not disclosed.

02
Depulping and washing

After fermentation, the coffee was depulped and channel washed.

03
Thermal shock

Thermal-shock treatment is confirmed for the exact lot, but Onyx does not publish the treatment temperatures or complete lot protocol.

04
Drying

Onyx's detailed process says approximately 16 days on patios, while the same page's summary card says raised-bed dried. Both are retained as an unresolved first-party conflict.

What was added?

Onyx explicitly reports inoculates during the sealed, pressurized fermentation stage; their identity is not published.

What wasn't added?

No fruit, spices, flavorings or other named additions are documented for this exact release.

Why it matters

The multi-stage fermentation and thermal-shock sequence are unusually well documented, but the unknown inoculate, treatment temperatures and conflicting drying statements prevent a more specific protocol claim.

What you might taste

Onyx lists peach, yogurt, red grape and mango. These are roaster descriptors, not owner tasting observations.

Sources for these process claims
  • · https://onyxcoffeelab.com/products/colombia-el-paraiso-letty-gesha
  • · https://www.fincaelparaiso.com/
Coffee profile

In the database. Not tasted. Not scored.

This coffee is in our database because we can reliably document it — but we haven't tasted and scored it yet, and we never publish a score we haven't earned.

Outside reviews and internet discussion — is kept clearly separate from our own review. When we taste it, our full review appears here.

The internet pulse

What the internet is saying about this coffee

Research complete — no qualifying reviews yet

Our research pipeline scanned public reviews, videos, forums and discussions for this coffee (last pass 2026-11-12) and found no independent review of this exact release that meets our verification standards. When qualifying sources appear, they'll be published here.

What we found

Waveform, bag.coffee and Lot & Origin are exact-release catalog and availability evidence, not independent sensory reviews. Onyx's 88 is a roaster cup score and is not counted as public sentiment. Reviews and ratings for Letty Gesha roasted by Hydrangea, Black & White and other roasters were excluded because they are different releases.

Until then, meet the people behind it:

Meet the farm: El Paraiso →Meet the farmer: Diego Bermudez →
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