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  1. Hace 5 días · Learn about the formation, properties, and uses of diamonds, one of the most precious and valuable gemstones in the world. Discover how diamonds are created deep within the Earth's mantle under high pressure and temperature, and how they are mined from kimberlite pipes or alluvial deposits.

    • Talc

      Talc has a rich history dating back centuries, with diverse...

    • Zircon

      Zircon, scientifically known as zirconium silicate (ZrSiO4),...

    • Gold

      Other minerals: Other minerals that can be associated with...

    • Garnet

      Garnet refers to a group of minerals that share a common...

  2. Hace 2 días · Discover the world of Graff. Home to fine diamonds and gems of unparalleled rarity, perfection and unrivalled beauty.

  3. Hace 1 día · If you’re looking for the appraisal value of a loose diamond, StoneAlgo’s diamond price estimate is a great place to start. If you’re looking for an even more accurate diamond appraisal value for a GIA certified natural diamond, you can use our free diamond check tool to generate a more specific price estimate.

  4. Hace 3 días · 0.50 Carat, Round Shaped Diamond. This 0.50 carat, round shaped natural diamond comes rated as Excellent in cut, J in color, and SI2 in clarity by GIA.

  5. Hace 3 días · The ancient bedrocks of the Brazilian Highlands, especially in the states of Minas Gerais and Goiás, are rich in precious and semiprecious stones, including diamonds. However, Brazil contributes only a small percentage to world diamond production.

  6. Hace 4 días · 2nd July 2024. By: Marleny Arnoldi. Deputy Editor Online. Font size: - +. London-listed Gem Diamonds has recovered a 123.20 ct Type II white diamond from the Letšeng mine, in Lesotho. This marks ...

  7. Hace 3 días · Jul 3, 2024. To the Diamond Cellar, brands such as Rolex and Patek Philippe are just as much an indicator of economic success in Central Ohio as Intel and Honda. The family-owned jewelry maker and ...

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