• Showroom Icon
    NYC SHOWROOM ON 5 TH AVE
  • 24/7 Customer Service
  • Lifetime Warranty
  • Free Shipping & Returns
  • 100% Money Back
    877-826-9866 | 24/7
    Search Options
    COLORLESS DIAMONDSFANCY COLOR DIAMONDS
    • Diamond Shape
      Round
      Princess
      Cushion
      Emerald
      Oval
      Radiant
      Asscher
      Marquise
      Heart
      Pear
    • This shape cannot be set with your setting
    • Diamond Color
    • Color
      ?
      • Diamond Clarity
      • Clarity
        ?
        • Diamond Origin

          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.

        • Diamond Cut
        • Cut
          ?
          • Carat Weight
          • Carat
            ?
          • Price
          Advanced Options
          Showing 1,548 

          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.

          chat with a diamond expert
          Change View
          Sort By

          Chat
          24/7
          page load - render : 421.8084 ,snapshot:374.941, page load end:374.941 page load - stats :374.941 total:15.5655 miniVer : 0 SPProcessor2 : 0 spp.GetPageXml() : 15.5655 jTrans : 15.5655 xnlRef : 15.5655 xnl n0 Transform: 46.8786 xnl n0 : 62.4441 xnl n1 Transform: 0 xnl n1 : 78.0766 xnl n2 Transform: 171.8613 xnl n2 : 249.9379 xnl n3 Transform: 46.8732 xnl n3 : 312.4352 xnl n4 Transform: 0 xnl n4 : 328.0604 xnl n5 Transform: 46.8806 xnl n5 : 374.941 xnl loop : 374.941 template:1,#BodyContainer processTime:0 template:21,#WidePane processTime:0 template:1190,#SearchPane processTime:0 template:1209,#ResultsItems processTime:0 template:99,#BreadCrumbsPane processTime:15.5655 template:10.11,#Funnel processTime:0