About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

Diemker
Espresso maker

The espresso maker from Diemker is an elegant and flavoursome way to enjoy high-quality espresso in your own home. Each pot is unique and made by hand, which is particularly evident in the most beautiful detail: the olive wood handle and grip. The design is minimalist, yet very tasteful and elegant, and was developed in Germany. The espresso maker is suitable for all types of cookers and is quick and easy to use. Two replacement sealing rings and a cork coaster are also included. According to the manufacturer, the quality of this product is confirmed and certified by constant quality controls. One disadvantage is that the espresso maker is not dishwasher-safe; all individual parts must be washed by hand.



  • Manual labour
  • Handle made from real olive wood
  • Elegant design
  • Certified quality
  • incl. 2 replacement seals and cork coasters
  • Not dishwasher safe

The first impression

Packaging and contents

Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

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Product protection

Carton is sturdy, product sufficiently protected

100

Points

Sustainability Packaging

No unnecessary packaging waste was produced

90

Points

Package contents & scope

1 x espresso maker

2 x replacement sealing ring

1 x cork coaster

100

Points

Instructions for use

Clear instructions for use with pictures

100

Points

TOTAL

98

Points

Weighting: 20%
*Themaximum score is 100 points

The product arrived in a neutral shipping box for our test. Unfortunately, the box was not in perfect condition, but it was easy to open and the product was adequately protected. Inside the shipping box, the product was in an attractive product box with product images and the product title. The packaging box had an elegant seal with the logo, which we find very commendable. The espresso maker was in perfect condition; no defects or scratches were visible. It left us with a thoroughly positive first impression. A detailed yet brief instruction manual with explanatory pictures rounded off the overall picture.

The first time in your hand

Product processing and appearance

Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

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Visual appearance

Elegant and sophisticated design, developed in Germany.

100

Points

Processing

Very good workmanship of the individual parts, use of high-quality materials.

100

Points

Stability

Very stable and leak-proof.

100

Points

Sustainability of the product

No specifications, but use of high-quality materials and therefore durable product.

90

Points

TOTAL

98

Points

Weighting: 20%
*Themaximum score is 100 points


The visual appearance of the Diemker espresso maker impresses with its elegant and sophisticated design, which was developed in Germany. It is minimalist, yet timeless. The workmanship of the individual parts is very good, with high-quality materials such as stainless steel and olive wood being used. In terms of stability , the espresso maker is extremely sturdy and leak-proof; all edges are rounded and it has a reinforced safety valve. Although there is no specific information on the sustainability of the product, the use of high-quality materials suggests that it is a long-lasting product.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

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Grip stability

No signs of weakness or overheating; handle remains stable and cool.

100

Points

Timing until cooking

The espresso starts to run after 4 to 5 minutes.

90

Points

User friendliness

Slightly awkward when removing the filter insert from the lower cooking section, otherwise very handy and easy to use.

90

Points

Cleaning and easy care

Almost all parts, with the exception of the filter insert, are easy to dismantle, clean and reassemble.

100

Points

Compatibility with different types of cookers

Works without any problems on all types of hob.

100

Points

TOTAL

96

Points

Weighting: 45%
*Themaximum score is 100 points


The handle stability of the Diemker espresso maker shows no signs of weakness or overheating; the handle remains stable and cool during use. Timing to boil is also good, as the espresso starts to brew after just 4 to 5 minutes – relatively quick and straightforward. In terms of user-friendliness , the cooker proves to be a little unwieldy when removing the filter insert from the lower part of the cooker, but otherwise it is very handy and easy to use. Cleaning and care are also positive, as almost all parts, with the exception of the filter insert, are easy to dismantle, clean and reassemble. The espresso maker also works well on all types of hob, which emphasises its versatility.

Test plan of the Prüfengel Institute

You can find a detailed insight into the evaluation criteria of the practical part of the test and the distribution of points here. If you are also interested in the evaluation of our other test criteria, please read our document on the evaluation process.

Price/performance ratio

and ratings from consumers

Finally, we analyse how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

Finally, we analyse how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

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Price / performance ratio

Very good performance in the higher price segment

70

Points

Rating cut

No reviews available yet

TOTAL

70

Points

Weighting: 15%
*Themaximum score is 100 points

At the time of testing, the product was not yet officially listed on Amazon. Therefore, no other reviews are available, so this point is neglected in the evaluation.

Prices of up to €43.99 are charged on the Internet for equivalent products. Very affordable products are available from as little as €35.68 . The Diemker® espresso maker is therefore currently in the higher price segment with a price of €42.95. For the quality and performance received, the price-performance ratio is very good.

Overall result

1. packaging & contents

20%

98

Points

2. product processing & appearance

20%

98

Points

3. in the practical test

45%

96

Points

4. price/performance & consumer reviews

15%

70

Points

TOTAL

93

Points

*Themaximum score is 100 points

Espresso maker
of the brand
Diemker
achieved
93
Points in our test and therefore passed. The test was carried out in the test period
09/24
and is stored in our database under the licence number
240808012
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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Our product evaluations are carried out exclusively through direct, on-site tests. This ensures a detailed and specific examination of the product properties. You can find more information about the test procedure here.

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