One version was installed in 2005 at Sunset Beach in Vancouver, British Columbia, Canada.
The diamonds, illuminated and tilting away from one another, are composed of translucent plexiglass boxes, steel and aluminum.
[8] During November 11–17, 2007, Engagement was installed along the waterfront at Laurel and Harbor Drive in San Diego, California.
[9] Oppenheim, who often declines to explain his works, kept the meaning of Engagement ambiguous on purpose.
[9] Debates over same-sex marriage in Canada were taking place around the time the work was installed in Vancouver.