Yirgacheffe, as Ethiopia's most representative specialty coffee region, is deeply loved by coffee enthusiasts for its unique floral and citrus notes. But do you understand how the Ethiopian Commodity Exchange (ECX) grading system operates? What scoring standards do washed and natural processing each follow? And what are the differences between the three major categories: Specialty, Commercial, and Local? This article will start with the ECX rating mechanism, break down in detail the evaluation logic from G1 to G9, and explore whether Front Street Coffee's Yirgacheffe series coffee beans are suitable for making cold brew or iced coffee, providing a reference for your brewing choices. [more…]

As the birthplace of coffee, Ethiopia's grading system directly affects the quality and flavor expression of coffee beans. The Yirgacheffe region is world-renowned, but what exactly is the difference between the commonly seen Front Street Yirgacheffe G1 and G2 coffee beans on the market? Behind this lies the evolution of Ethiopia's coffee grading system. From CLU to ECX, from simple defect counting to a comprehensive score combining physical characteristics and cupping flavor, the grading standards have undergone major changes. This article will systematically review the historical development and specific standards of Ethiopian coffee grading, compare the grading differences between washed and natural processing, and through three dimensions—green bean appearance, roasted bean appearance, and cupping flavor—deeply analyze the actual differences between Front Street Yirgacheffe G1 and G2, helping coffee enthusiasts understand the quality implications behind the grade numbers. [more…]

How exactly are the grades of Ethiopian Yirgacheffe classified? Are Arabica coffee beans necessarily expensive? This article starts with the operating mechanism of the Ethiopia Commodity Exchange (ECX) and traces the evolution from the old version of grading by the number of defective beans to the current scoring system that combines physical characteristics with cup-testing flavor. It lists in detail the specific scoring proportions for washed and natural processing, and explains the evaluation standards for the three major categories—Specialty, Commercial, and Local—as well as the Q1 and Q2 grades. At the same time, it answers the reasons for the price differences among Arabica coffee beans, and introduces the flavor characteristics and suitable brewing methods of two G1 Yirgacheffe coffees: Front Street Coffee Gudingding and Front Street Coffee Red Cherry. [more…]

When purchasing single-origin coffee beans, labels such as G1, AA, and SHB often appear on the packaging. What exactly do these letters and numbers represent? They are actually coffee bean grade symbols established by each origin based on its own conditions. Due to differences in growing environments and varieties, the grading criteria of different countries vary—some look at the number of defective beans, some at green bean size, and others at hardness or altitude. In this article, Front Street Coffee will sort out the grading standards of major producing regions such as Ethiopia, Kenya, Indonesia, Central and South America, and Brazil, helping coffee lovers understand the meaning behind these grades so they can more accurately select high-quality coffee beans that suit their own taste. [more…]

Ethiopia, as the birthplace of coffee, has an export system and grading structure that directly shape the flavor in the cups of coffee lovers worldwide. This article takes an in-depth look at the country's three major coffee export systems—ECX bidding, cooperatives, and single estates—revealing how ECX reshapes coffee trading through its pricing mechanisms, warehousing and logistics, and real-time information, while focusing on the ECX specialty grading standards of the Yirgacheffe region. It also introduces the operating models of the six major cooperative unions, and how well-known cooperatives such as Front Street Gediding and Front Street Woka stand out through their exquisite processing techniques. Whether you are a coffee professional or an enthusiast, you can understand from this the quality logic of Ethiopian coffee from origin to cup. [more…]

Yirgacheffe is one of Ethiopia's most representative specialty coffee regions, and Front Street Yirgacheffe G1 and Front Street Yirgacheffe G2 are the two beans most easily available for everyday purchase. What exactly is the difference between G1 and G2? Which one is of better quality? To answer these questions, one must first understand Ethiopia's coffee grading system. From the evaluation perspective of Front Street Coffee, this article sorts out the origins and development of the two grading systems, CLU and ECX, analyzes the respective scoring dimensions of washed and natural processing, and presents the real differences between Front Street Yirgacheffe G1 and G2 through a direct comparison of green bean appearance, roasted bean appearance, and cupping flavor. [more…]

Yirgacheffe is one of Ethiopia's most representative specialty coffee regions, but what exactly is the difference between the commonly found Front Street Yirgacheffe G1 and G2 coffee beans? Which grade is higher? Behind this lies Ethiopia's complex coffee grading system. Starting from CoffeeHunters' review, this article systematically sorts out Ethiopia's coffee grading standards, compares the differences between G1 and G2 in defect rate, cupping score, and flavor performance, and helps coffee lovers gain a deeper understanding of the secrets of Yirgacheffe's grades. [more…]

Ethiopian coffee has always won the favor of many coffee lovers with its affordable prices and rich floral and fruity aromas. But faced with the bewildering array of grade labels on the market, such as Yirgacheffe's G1 and G2, many people are not clear on exactly how they differ and which is more worth buying. This article will start with the price level of Ethiopian coffee, combine it with specific beans from Front Street Coffee, and then delve into the evolution of the country's coffee grading system—from the early CLU defect-count grading to the ECX scoring system that combines physical characteristics with cupping flavor—breaking down one by one the logic of grade classification under washed and natural processing, and focusing on comparing the substantive differences between G1 and G2 in defect rate and cupping score, to help you make more rational purchases of Ethiopian coffee. [more…]

Yirgacheffe, as Ethiopia's most representative coffee region, has long been favored by coffee enthusiasts for the floral and fruity flavors produced by its washed and natural processing methods. But do you know how the G1 and G2 grades are actually divided? And what substantial differences exist between them? This article will systematically sort out Ethiopia's coffee bean grading system, tracing the evolution from CLU to ECX, explaining in detail the scoring standards for washed and natural processing methods in terms of physical characteristics and cup quality, and through an actual cupping comparison of Front Street Coffee's Yirgacheffe G1 and G2, reveal the specific differences between the two in terms of cleanliness, aroma complexity, and defect rate, helping you make a clearer judgment when purchasing. [more…]

Yirgacheffe, as Ethiopia's most iconic specialty coffee region, has long held the position of the top entry-level choice for coffee enthusiasts, thanks to its signature floral and citrus notes. This article takes Front Street Coffee's Worka washed Yirgacheffe as an example to systematically review the terroir conditions of this region, background information on the Worka cooperative, the washed processing flow, and the definition and distribution characteristics of heirloom varieties. It also provides a detailed interpretation of the Ethiopian Commodity Exchange (ECX) coffee grading system, covering the scoring weights for physical characteristics and cup profile flavors, the logic behind the Q1 and Q2 grade classifications, and includes Front Street roaster's medium-light roast recommendations tailored to Yirgacheffe's acidity, offering a reference for purchasing and brewing. [more…]

Yirgacheffe, as a representative coffee-producing region in Ethiopia, frequently has its G1 and G2 grades mentioned, but what exactly is the difference between the two? This article begins with the evolution of Ethiopia's coffee grading system, first introducing the old system based on defect rates, then explaining the new regulations after the ECX introduced cupping scores in 2009, and explaining why naturally processed beans can also obtain G1 and G2 grades. Subsequently, using washed Yirgacheffe as an example, it compares the actual differences between Front Street Coffee's Gutingding (G1) and Front Street Coffee's washed Yirgacheffe everyday beans (G2) in terms of green bean appearance, defect proportion, and brewed flavor, helping readers understand the quality implications behind the grades. [more…]

Yirgacheffe is a highly representative coffee-producing region in Ethiopia, and its G1 and G2 grades often confuse enthusiasts. Starting with Ethiopia's coffee grading system, this article sorts out the rating evolution of CLU and ECX, explains in detail the scoring standards of washed and natural processing in terms of physical characteristics and cupping quality, and compares the actual differences between Front Street Coffee Yirgacheffe G1 and G2 in green bean appearance, roasted bean appearance, and flavor. Through cupping, it was found that although the two share citrus, fruit tea, honey, and berry tones, G1 is superior in cleanliness and aroma refinement, while G2 is slightly thinner. It is suitable for coffee enthusiasts who want to gain an in-depth understanding of Yirgacheffe grades and purchasing. [more…]

Ethiopia, as Africa's largest coffee producer and the widely recognized birthplace of coffee, often labels its coffee beans with grades G1 or G2. What exactly do these letter-and-number combinations represent? This article traces the historical evolution of Ethiopia's coffee grading system, from the early CLU system that classified purely by defect count, to the introduction of cupping score comprehensive rating after the establishment of the ECX in 2009, and finally to the latest revised export standards in 2022. You will learn about the differences between washed and natural processing in grading, as well as the distinction between Q1 and Q2 specialty grades and commercial and domestic coffee. The article also retains product information from the Front Street brand, making it suitable for every reader who loves Ethiopian coffee to read in depth. [more…]

When selecting coffee beans, you'll often come across labels like Yirgacheffe G2 or Kenya AA. Behind these letters and numbers lies the logic each producing country uses to assess green bean quality. Due to differences in history, trade, climate, and terrain, grading criteria vary widely from country to country—some focus on defect rates, some measure bean size, and others test altitude or hardness—and they cannot be directly compared across origins. Front Street Coffee has compiled the grading systems of representative producing countries including Ethiopia, Kenya, Colombia, Jamaica, Costa Rica, Panama, Guatemala, El Salvador, Honduras, and Brazil to help you understand the ins and outs behind green bean grades. [more…]

Ethiopia, as the genetic treasure trove of Arabica coffee, has a unique green bean grading system. Unlike Kenya, which grades by bean size, or Blue Mountain, which grades by altitude, Ethiopia primarily classifies grades based on defect rates and cupping scores. This article will systematically sort out the evolution of Ethiopia's old and new grading systems, provide an in-depth analysis of the specific standards for grades G1 through G9, and, using Yirgacheffe as an example, compare the actual differences between washed G1 and G2 in green bean appearance and flavor performance. It will also share Front Street Coffee's brewing parameters and tasting experience to help coffee enthusiasts fully understand the logic of Ethiopian coffee quality grading. [more…]

Sidamo is one of Ethiopia's two major specialty coffee regions, sharing equal fame with Yirgacheffe, and is known for its rich fruity body and citrusy sweet finish. How exactly did Sidamo Honey coffee come to be? And how are Ethiopian coffee beans graded? This article will start with the geographical environment of the Sidamo region, the rise of the Guji region, and the origin of the name of Huakui coffee, then introduce in detail the coffee grading system of the Ethiopia Commodity Exchange (ECX), and share the brewing parameters and flavor performance of Front Street's 2025 new-crop Huakui coffee, giving you a comprehensive understanding of the ins and outs of this sought-after specialty coffee. [more…]

The Yirgacheffe region of Ethiopia is famous for its unique flavors, and among them the high-altitude washed beans from Kochere are highly favored by coffee lovers. But what exactly is the difference between G1 and G2 grades from the same region? This article starts with two washed Yirgacheffe coffees from Front Street Coffee, and combines ECX grading standards, green bean appearance, roasting curves, cupping, and pour-over performance to compare in detail the differences between G1 and G2 in defect rate, bean uniformity, aroma layering, and cup cleanliness, helping readers understand the specific impact of grade classification on flavor, with complete brewing parameters and flavor descriptions included. [more…]

Yirgacheffe coffee beans often bear labels like G1 and G2—what exactly do these grades mean? From the perspective of Front Street Coffee, this article first introduces the origins of Ethiopia's "heirloom varieties"—the country is home to tens of thousands of incompletely identified heirloom varieties—then explains Yirgacheffe's grading system in detail: grades are determined by defect rates, with washed and natural processing each corresponding to different grade ranges, and explains how ECX and SCAA cupping further subdivide G1 through G3 into Q1, Q2 specialty and commercial grades. The article also outlines the altitude, cooperatives, and micro-region characteristics of the Yirgacheffe producing area, and includes product information for Front Street's Natural Red Cherry, Washed Gudingding, and Washed Everyday Beans, helping readers gain a comprehensive understanding of Yirgacheffe's grading system and flavor diversity. [more…]

When selecting coffee beans, letter markings like AA and G1 often appear on packaging, and they actually represent the green bean grading systems of different origins. In this article, Front Street will guide you through Ethiopia's G1 to G5 grades, which are classified by the proportion of defective beans, as well as the nine-level classification method that combines physical characteristics and cupping scores after the establishment of the ECX. In addition, we will introduce Kenya's eight grades, including AA, AB, and PB, which are distinguished by bean size, and briefly mention the grading criteria of Colombia, Jamaica, Brazil, and other countries, to help you better understand the meaning behind these markings when buying beans. [more…]

Yirgacheffe, as a representative of Ethiopian specialty coffee, has always attracted much attention for its producing area division, grading system, and processing methods. With the establishment of the ECX commodity exchange, Yirgacheffe was subdivided into four small districts, and Ethiopian coffee was also divided into three types—specialty, commercial, and local—based on physical attributes and cup flavor. The rise of natural processing has allowed Yirgacheffe to display rich berry sweetness, and the Red Cherry Project has further improved coffee quality from the source. Front Street Coffee takes Yirgacheffe Natural Red Cherry as an example, sharing roasting analysis and V60 brewing suggestions to give you a comprehensive understanding of this uniquely characterful coffee. [more…]