Uxdesign iconUxdesignSep 14, 2026 ~1 min source read

The UX Double Diamond is dead, and in AI only one survives for software

Both the double diamond and design thinking priced building as the risky step, and that price collapsed. Diamond model in 2004: two diamonds, problem then solution, both of equal size.

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Both the double diamond and design thinking priced building as the risky step, and that price collapsed.

Diamond model in 2004: two diamonds, problem then solution, both of equal size.

Four years later IDEO's CEO Tim Brown made the case in Harvard Business Review for Design Thinking as the process, putting designers and researchers at the start of innovation and at the start of the...

Building the complete brief

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The useful part

Both the double diamond and design thinking priced building as the risky step, and that price collapsed. Diamond model in 2004: two diamonds, problem then solution, both of equal size. Four years later IDEO's CEO Tim Brown made the case in Harvard Business Review for Design Thinking as the process, putting designers and researchers at the start of innovation and at the start of the investment cycle, not the end.

Details worth keeping

Two diamonds drawn for a world where the second one cost real money. What's left is a one-page brief and a wider generation step. The Design Council drew the shape for the other.

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