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Entry is free. Teams of 2–4 students select either the Business Innovation or Social Innovation track, then submit a written venture concept and a 60-second video pitch by the January deadline. Concepts must be original — not previously advanced to the Summit in prior years — and must not have generated more than $100,000 in revenue before submission. Advancing teams are invited to pitch live or virtually at regional events; finalists are then invited to the Limitless World Summit, a multi-day event in Delaware where they pitch before global judges from business, academia, and industry. Topical prizes recognize excellence in specific areas including sustainability, technology, economic prosperity, and human flourishing. To date, Horn Entrepreneurship has awarded over $322,000 to student ventures and higher education scholarships through the competition.

The Diamond Challenge occupies a distinctive position in high school entrepreneurship competitions. Unlike LaunchX or Conrad, which emphasize the development process, Diamond Challenge is fundamentally a pitch competition judged on the strength and originality of the concept itself — making it accessible to a team with a genuinely strong idea even without prior entrepreneurship experience. Its global reach and $100,000 prize pool give it a scale and legitimacy that most peer competitions don't match, and University of Delaware institutional backing provides academic credibility that purely corporate-sponsored competitions often lack.

The Diamond Challenge is the right competition for a team with a genuinely original business or social venture concept and the ability to articulate it clearly under competitive conditions — the prize pool is real, the global network is real, and a strong finish here is one of the most visible entrepreneurship credentials available to a high school student.