a diamond is forever

http://www.phrases.org.uk/meanings/a-diamond-is-forever.html

http://www.gemnation.com/base?processor=getPage&pageName=forever_diamonds_1

http://www.pippinbass.com/A-Diamond-is-Forever.asp

emotional experience.. de beers stockpiling...
http://books.google.com.sg/books?id=o2JuPurvZ1cC&pg=PA166&lpg=PA166&dq=%22She+already+knows+you+love+her%22+debeers&source=bl&ots=Iinhg4CxY7&sig=1CXbtAfdcUQZb9DIarAcWYzrtA4&hl=en#v=onepage&q=%22She%20already%20knows%20you%20love%20her%22%20debeers&f=false

http://www.forbes.com/sites/lydiadishman/2012/02/10/de-beers-steady-strategies-snag-stellar-profits/2/

past present future
http://www.jckonline.com/article/283339-De_Beers_to_Pitch_Three_Stone_Jewelry_for_Christmas.php

one-third of salary on engagement rings
https://www.primestyle.com/news/tag/de-beers/