Gem-quality diamonds are made up from less than 20 percent of the diamonds mined worldwide. The diamond is the hardest natural substance found on the earth and is virtually fireproof. In order for a diamond to burn, it must be heated to one-thousand, two-hundred, and ninety-two degrees Fahrenheit. Diamonds worn in ancient times were believed to promote strength, invincibility, and courage. Amazon is the most reliable and trustworthy place to shop online for diamonds. ... http://www.squidoo.com/diamondjewels Wed, 20 Aug 2008 21:28:46 -0600 FeedCreator 1.7.2 Sat, 05 Jul 2008 22:39:46 -0600 http://www.squidoo.com/diamondjewels Gem-quality diamonds are made up from less than 20 percent of the diamonds mined worldwide. The diamond is the hardest natural substance found on the earth and is virtually fireproof. In order for a diamond to burn, it must be heated to one-thousand, two-hundred, and ninety-two degrees Fahrenheit. Diamonds worn in ancient times were believed to promote strength, invincibility, and courage. Amazon is the most reliable and trustworthy place to shop online for diamonds. Graduation shopping with confidence at Diamonds - Monarch of Gems. Sat, 05 Jul 2008 22:39:46 -0600