Design Thinking 101 — The Double Diamond Approach (Part II of II)

Kayla J Heffernan
SEEK blog
Published in
6 min readMay 8, 2017


Update 21st AUgust 2019

This is still one of my most read stories. Exploring more than one solution is a step in the right direction, design thinking without design research is only a quarter of the way there. Make sure you read this one too:

At SEEK, in preparation for our upcoming 8th Hackathon, we introduced Upskill sessions to teach fellow seekers new skills to help their hacking endeavours. We kicked off these sessions with a 2-part Design Thinking workshop to broadly share Design Thinking with the rest of SEEK and promote a customer-centric approach in everything we do.

In part 1 we gave an overview of what Design Thinking is. This week we dive into the practical exercises we taught in the workshops.

The Double Diamond Approach

We use the Double Diamond structure to understand customers and their problems and explore creative and innovative ways to solve their problems and delight them.

Using the double diamond, you approach problems and solutions by using 2 different types of thinking: divergent and convergent.

  • Divergent thinking — think broadly, keep an open mind, consider anything and everything
  • Convergent thinking — think narrowly, bring back focus and identify one or two key problems and solutions
The Double Diamond

There are four phases to this approach:

  1. Discover customer problems
  2. Define specific customer problems
  3. Develop potential solutions to these customer problems
  4. Deliver feasible and viable solutions to these customer problems

Let’s look at each phase, and the Design Thinking exercises that can help with each.


In this first step, we practice divergent thinking. This means we open our minds and consider everything about our customer, constrained…



Kayla J Heffernan
SEEK blog

Head of UX. Passionate about solving ambiguous problems with solutions that are accessible and inclusive. I write every couple of months about design.