Double Diamond Method: A Comprehensive Guide

PooyaDesign™ Studio
9 min readMay 5, 2023

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Double Diamond Method

The Double Diamond Method is a design thinking process used to solve complex problems and generate creative solutions. It is a popular framework that helps teams and individuals navigate the different stages of the design process, from understanding the problem to implementing and testing the solution. This article will explore the Double Diamond Method and why it is essential.

What is the Double Diamond Method?

The Double Diamond Method is a design thinking process developed by the UK Design Council in the early 2000s. It is a visual representation of the design thinking process that consists of two diamonds, each with four stages.

The first diamond represents the divergent thinking stage, which focuses on exploring the problem space and generating a wide range of ideas.

The four stages of the first diamond are:

  1. Discover: This stage involves understanding the problem space, gathering insights and data, and identifying the needs and requirements of the users.
  2. Define: This stage involves synthesizing the insights and data gathered in the Discover stage and framing the problem clearly and concisely.
  3. Develop: This stage involves generating a wide range of ideas and solutions to the problem, using tools such as brainstorming, sketching, and prototyping.
  4. Delivery: This stage involves selecting the most promising ideas and developing a detailed implementation plan.

The second diamond represents the convergent thinking stage, focusing on refining and implementing the chosen solution. The four stages of the double diamond are:

  1. Validate: This stage involves testing and refining the chosen solution using tools such as user testing, prototyping, and feedback loops.
  2. Develop: This stage involves refining and developing the chosen solution and preparing it for implementation.
  3. Delivery: This stage involves implementing the solution in the real world and ensuring it is sustainable and effective.
  4. Evaluate: This stage involves measuring the impact of the solution and using the insights gained to improve future designs.

Why is the Double Diamond Method critical?

The Double Diamond Method is critical for several reasons:

  1. It provides a structured framework for the design thinking process: The Double Diamond Method provides a clear and structured framework for the design thinking process, which can help teams and individuals to stay focused and organized.
  2. It encourages divergent thinking: The first diamond of the Double Diamond Method is focused on generating a wide range of ideas and solutions, which encourages divergent thinking and creativity.
  3. It encourages convergent thinking: The second diamond of the Double Diamond Method is focused on refining and implementing the chosen solution, which encourages convergent thinking and practical problem-solving.
  4. It promotes user-centered design: The Double Diamond Method is based on a user-centered design approach, which puts the needs and requirements of the users at the center of the design process.
  5. It is flexible and adaptable: The Double Diamond Method is a flexible and adaptable framework that can be customized to suit the specific needs and requirements of different projects and teams.

The Double Diamond Method is critical because it encourages divergent and convergent thinking, promotes user-centered design, and is flexible and adaptable.

The Double Diamond Method is a robust framework that can help designers to solve complex problems, generate innovative ideas, and deliver effective solutions. This article will explore when a designer needs to use the Double Diamond Method and how to use it.

When to Use the Double Diamond Method

The Double Diamond Method is a versatile design thinking process that can be applied to various design projects, from product design to service design and graphic design to web design.

However, there are certain situations where the Double Diamond Method can be beneficial, such as:

  1. When the problem is complex and poorly defined: The Double Diamond Method is particularly effective in situations where it is complex and poorly defined, as it provides a structured framework for exploring the problem space and generating a wide range of ideas.
  2. When the solution requires creativity and innovation: The Double Diamond Method is also practical in situations where the solution requires creativity and innovation, as it encourages divergent thinking and the generation of a wide range of ideas.
  3. When the solution needs to be user-centered: The Double Diamond Method is based on a user-centered design approach, which makes it ideal for situations where the solution needs to be tailored to the users’ needs and requirements.

How to Use the Double Diamond Method

The Double Diamond Method consists of two diamonds, each with four stages. Here is a step-by-step guide on how to use the Double Diamond Method:

  1. Discover The first stage of the Double Diamond Method is the Discover stage. In this stage, the designer needs to gain a deep understanding of the problem space, gather insights and data, and identify the needs and requirements of the users. The designer can use interviews, surveys, observation, and secondary research techniques to do this.
  2. Define The second stage of the Double Diamond Method is the Define stage. In this stage, the designer needs to synthesize the insights and data gathered in the Discover stage and frame the problem clearly and concisely. This involves defining the scope of the problem, identifying the key stakeholders, and setting clear objectives.
  3. Develop The third stage of the Double Diamond Method is the Develop stage. In this stage, the designer needs to generate a wide range of ideas and solutions to the problem using tools such as brainstorming, sketching, and prototyping. This stage aims to explore as many ideas as possible without worrying about their feasibility.
  4. Deliver The fourth stage of the first diamond is the Deliver stage. In this stage, the designer must select the most promising ideas and develop a detailed implementation plan. This involves evaluating each idea’s feasibility and impact and selecting the most likely to deliver the desired outcomes.
  5. Validate The first stage of the second diamond is the Validate stage. In this stage, the designer needs to test and refine the chosen solution using tools such as user testing, prototyping, and feedback loops. This stage aims to ensure that the solution is effective and meets the needs and requirements of the users.
  6. Develop The second stage of the second diamond is the Develop stage. In this stage, the designer must refine and develop the chosen solution and prepare it for implementation. This involves creating detailed designs and specifications and testing the solution realistically.
  7. Deliver The third stage of the second diamond is the Deliver stage. In this stage, the designer needs to implement the solution in the real world and ensure it is sustainable and effective. This involves managing the implementation process, monitoring the solution, and making necessary adjustments.
  8. Evaluate The fourth and final stage of the Double Diamond Method is the Evaluate stage. In this stage, the designer must evaluate the solution’s success and gather feedback from users and stakeholders. This feedback can be used to inform future design projects and to improve the effectiveness of the solution.

Tips for Using the Double Diamond Method

Here are some tips for using the Double Diamond Method effectively:

  1. Collaborate: The Double Diamond Method is best used in a collaborative environment with diverse stakeholders and experts.
  2. Embrace ambiguity: The Double Diamond Method is designed to be used when the problem is complex and poorly defined. Be bold and embrace ambiguity and explore different ideas.
  3. Iterate: The Double Diamond Method is an iterative process. Be prepared to revisit previous stages as you gather more information and insights.
  4. Use various tools: The Double Diamond Method is a flexible framework that can be used with a wide range of tools and techniques. Experiment with different tools and see what works best for your team.

By following the four stages of each diamond, designers can gain a deep understanding of the problem space, generate a wide range of ideas, develop and refine the chosen solution, and evaluate the success of the solution. When used effectively, the Double Diamond Method can help designers to create user-centered solutions that meet the needs and requirements of their users.

Benefits and advantages of using the Double Diamond Method

  1. User-Centered Design, One of the critical benefits of the Double Diamond Method is that it is based on a user-centered design approach. This means the solution is tailored to the users’ needs and requirements rather than the designer’s preferences. By putting the user at the center of the design process, designers can create more effective, efficient, and satisfying solutions.
  2. Another benefit of the Double Diamond Method is that it encourages divergent thinking. In the Develop stage of the first diamond, designers are encouraged to generate a wide range of ideas and solutions without worrying about whether they are practical or feasible. This allows for more creative and innovative solutions to emerge rather than limiting the design process to more conventional or conservative ideas.
  3. Convergent Thinking While the Develop stage encourages divergent thinking, the Define stage of the second diamond encourages convergent thinking. This means that designers must evaluate and refine the ideas generated in the Develop stage and choose the most promising solution to move forward with. This ensures that the final solution is innovative and practical and meets the user’s needs.
  4. Collaboration, The Double Diamond Method is designed to be used in a collaborative environment with a diverse team of stakeholders and experts. This allows for a broader range of perspectives and ideas to be brought to the table and for a more thorough understanding of the problem space to be developed. Collaboration also helps ensure the final solution is more widely accepted and implemented.
  5. Flexibility, The Double Diamond Method is a flexible framework that can be adapted to suit a wide range of design projects and contexts. It can be used with various tools and techniques and can be adjusted to fit the specific needs and constraints of the project. This makes it a versatile and adaptable method used in various design contexts.
  6. Iteration, The Double Diamond Method, is an iterative process, which means that designers are encouraged to revisit previous stages as they gather more information and insights. This allows the design to evolve and improve, making the final solution more refined and practical.

Double Diamond Method offers a range of benefits and advantages to designers and design teams. Using a user-centered design approach, encouraging divergent and convergent thinking, fostering collaboration, offering flexibility, and promoting iteration, the Double Diamond Method can help designers create innovative, effective, and user-centered solutions to complex design problems.

Alternative design thinking methods

Several alternative design thinking methods can be used in place of the Double Diamond Method. This part will explore some of the best alternatives to the Double Diamond Method:

  1. Design Sprint: is a time-boxed design thinking process designed to help teams rapidly prototype and test new ideas. The Design Sprint is a 5-day process that includes problem framing, ideation, prototyping, and user testing. The Design Sprint is particularly useful for teams that need to generate and test new ideas quickly and efficiently.
  2. Lean UX: is a design thinking process based on the Lean Startup methodology. The Lean UX process emphasizes rapid experimentation and feedback and is designed to help teams to create and test minimum viable products (MVPs). The Lean UX process involves various activities, such as problem framing, ideation, prototyping, and user testing. The Lean UX process benefits teams that need to create and test MVPs quickly.
  3. Human-Centered design: is a design thinking process focused on understanding and addressing the user’s needs. The Human-Centered Design process involves various activities such as problem framing, user research, ideation, prototyping, and user testing. The Human-Centered Design process benefits teams that need to create solutions tailored to the user’s needs.
  4. Agile UX: is a design thinking process based on the Agile software development methodology. The Agile UX process emphasizes rapid prototyping and iteration and is designed to help teams deliver high-quality products quickly. The Agile UX process involves various activities, such as problem framing, user research, ideation, prototyping, and user testing. The Agile UX process benefits teams that need to deliver high-quality products quickly.
  5. Google Design Sprint: is a design thinking process that is designed to help teams rapidly prototype and test new ideas. The Google Design Sprint is a 5-day process with various activities such as problem framing, ideation, prototyping, and user testing. The Google Design Sprint is particularly useful for teams that need to generate and test new ideas quickly and efficiently.

In conclusion

the Double Diamond Method is a popular design thinking process, but several alternative design thinking methods can be used in its place. The Design Sprint, Lean UX, Human-Centered Design, Agile UX, and Google Design Sprint are excellent alternatives to the Double Diamond Method and can help teams generate and test new ideas quickly and efficiently while focusing on the user’s needs.

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PooyaDesign™ Studio
PooyaDesign™ Studio

Written by PooyaDesign™ Studio

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