this helped a bit, but i still suspect it's mainly a sales come-on. Maybe most people never try to return a diamond...
http://my1st-diamond-gallery.blogspot.com/2006/11/do-you-know-what-bonded-diamonds-all.html
RC, $1000 to a theatre student is every bit as much money as $6000 is to a man in his 30's who has been working for years..... (which was what my husband was when we got engaged)
It's all relative......
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