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        • THE LEO PRISMA® DIAMOND
          Fire and Brilliance Reimagined.
        • THE LEO DIAMOND®
          The first diamond independently certified to be visibly brighter.
        • The LEO First Light® Diamond
          Microscopic nano-prisms release colorful bursts of brilliance and sparkle.
        • The LEO Ideal Cut® Diamond
          A rare, mathematically designed diamond with geometrically ideal proportions.
        • THE LEO® Legacy Lab-Created Diamond
          The first lab-created diamond worthy of THE LEO name.

        • Compare Diamond Collections

  • Engagement & Wedding
  • Diamond Jewelry
  • Education
  • Responsibility
  • Diamonds
        • THE LEO PRISMA® DIAMOND
          Fire and Brilliance Reimagined.
        • THE LEO DIAMOND®
          The first diamond independently certified to be visibly brighter.
        • The LEO First Light® Diamond
          Microscopic nano-prisms release colorful bursts of brilliance and sparkle.
        • The LEO Ideal Cut® Diamond
          A rare, mathematically designed diamond with geometrically ideal proportions.
        • THE LEO® Legacy Lab-Created Diamond
          The first lab-created diamond worthy of THE LEO name.

        • Compare Diamond Collections

  • Engagement & Wedding
  • Diamond Jewelry
  • Education
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Measuring Brilliance

Learning about diamonds and what makes them beautiful begins with understanding the 4C’s – the characteristics of a diamond.

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