Diamond. Pure crystallized carbon, the most highly esteemed of all gemstones. The fiery brilliance of the diamond has made it the world's favorite ...Montanagem
A diamond is a naturally occurring phenomenon, created a hundred miles or more beneath the Earths surface under conditions of great heat and ...Goldberg & Reed
The history of diamond cuts can be traced back to India where diamonds were polished along their natural facets. By the early 20th century a few ...ALROSA
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