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          Every diamond we feature is certified conflict-free and adheres to The Kimberley Process. All of our diamonds are natural and non-treated and are responsibly mined from around the world.

          Within our inventory, James Allen also offers CanadaMark diamonds which are of Canadian origin. They are tracked through audited processes and come with a unique certificate ensuring their origin.

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          Showing 1,448 marquise Cut Diamonds – All Viewable in 360° HD
          The marquise cut diamond is long and narrow with a large surface area, creating the illusion of greater size.
          Its elongated shape has pointed Ends, And Is Commonly Used As A Solitaire Or Enhanced By Smaller Side Stones.
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