Diamonds – An Excellent Heat Conductor?

Except for most blue diamonds, which are semiconductors, diamonds are good electrical insulators, meaning they reduce the flow of electricity. Blue diamonds owe their semi-conductive property to boron impurities, which act as a doping agent and cause p-type semiconductor behavior. Diamonds appear cold and hard, but they’re good conductors of heat because of the strong chemical bonds within the crystal.

Most natural blue diamonds… Continue reading

Industrial vs Gem Quality Diamonds

Diamonds are the hardest known naturally occurring material Its hardness has been known since ancient times, and is the source of its name. However, there have been synthetic diamonds created which are even harder.

The hardest natural diamonds in the world are diamonds from the New England area in New South Wales, Australia. These diamonds are generally small, and are used to polish other… Continue reading

Are Diamonds Really Indestructible?

Diamonds are among the hardest substances on earth; in fact they use diamonds and diamond dust to cut diamonds. Other gemstones are hard as well, but not nearly as hard as a diamond. Diamonds and other gemstones are measured by the Mohs scale. It runs from 10 (hardest) down to 1 (softest). It is somewhat arbitrary and not linear. The range from 9 to 10… Continue reading

Diamond Mines – The Source

The very mention of diamond evokes fantasies of fabulous riches and dreams of love and power. Up to the Middle Ages they were so rare and expensive that only royalty could afford diamonds. But in modern times even ordinary people are able to possess a few, thanks to the discovery of numerous diamond deposits elsewhere on the planet plus high, albeit controlled, production… Continue reading

Ever Wondered How Diamonds Are Made?

Diamonds form between 75-120 miles below the earth’s surface. According to geologists the first delivery of diamonds was somewhere around 2.5 billion years ago and the most recent was 45 million years ago. The carbon that makes diamonds comes from the melting of pre-existing rocks in the Earth’s upper mantle. There is an abundance of carbon atoms in the mantle. Temperature changes in the upper… Continue reading

Diamond Certification From Independent Laboratories

Diamond certification is essential when you’re buying a diamond and is different from a jeweler’s appraisal, although the certification is part of any appraisal. Many diamonds look the same, but not all of them are going to be of the quality you might like. Diamond certification is the written proof of a diamond’s attributes. Without it, you have no assurance that the diamond you… Continue reading

The Perfect Diamond Ring

The smart groom-to-be does his research before buying his fiancée a diamond ring! There are more styles and cuts to choose from than ever before. It’s not enough to be educated about the four Cs of diamonds – cut, color, clarity and carats. Now there are all types of diamond cuts and settings to choose from.

The most popular style is still the round… Continue reading

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