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Round Engagement Rings
(165 Products)
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  • From$689.00

    The Octa Pearl Channel Set Baguette & Round Pave Lab Grown Diamond Bypass Engagement Ring carries 0.63 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or...

  • From$2,149.00

    The Octa Pearl Channel Set Round Multi Row Lab Grown Diamond Men's Statement Ring carries 0.62 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum....

  • From$1,859.00

    The Octa Pearl Round Multi Row Lab Grown Diamond Open Cuff Cluster Pave Bypass Ring carries 1.98 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or...

  • From$1,719.00

    The Octa Pearl Round Lab Grown Diamond Open Cuff Bypass Pave Engagement Ring carries 2 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum. Master-crafted...

  • From$1,119.00

    The Octa Pearl Round Three Stone Lab Grown Diamond Open Swirl Bypass Wrap Ring carries 0.53 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum....

  • From$1,159.00

    The Octa Pearl Bezel Set Round Two Stone Lab Grown Diamond Open Bypass Wrap Ring carries 0.5 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or...

  • From$1,989.00

    The Octa Pearl Channel Set Round Lab Grown Diamond Three Stone Men's Engagement Ring carries 0.26 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum....

  • From$1,299.00

    The Octa Pearl Multi Row Round Lab Grown Diamond Open Gap Pave Bypass Ring carries 0.95 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum....

  • From$1,329.00

    The Octa Pearl Baguette & Round Lab Grown Diamond Open Gap Pave Bypass Ring carries 1.02 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum....

  • From$1,229.00

    The Octa Pearl Round Cut Multi Halo Lab Grown Diamond Pave Engagement Ring carries 0.96 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum. Master-crafted...

  • From$1,709.00

    The Octa Pearl Oval & Round Three Row Lab Grown Diamond Pave Cocktail Ring carries 2.02 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum....

  • From$2,099.00

    The Octa Pearl Round Five Stone Lab Grown Diamond Halo Engagement Ring carries 2.25 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum. Master-crafted with...

  • From$1,189.00

    The Octa Pearl Bezel Set Lab Grown Diamond Floral Cluster Minimalist Engagement Ring is set with lab-grown diamonds and is made to order in 10K, 14K or 18K gold or platinum. Master-crafted with lab-grown diamonds,...

  • From$2,649.00

    The Octa Pearl Round Lab Grown Diamond Pave Engagement Ring features a 1.7 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or platinum. Master-crafted with lab-grown...

  • From$2,629.00

    The Octa Pearl 2 ct Round Lab Grown Diamond Vintage Pave Engagement Ring features a 2 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or platinum....

  • From$4,619.00

    The Octa Pearl 3 ct Round Hidden Halo Lab Grown Diamond Pave Engagement Ring (style GR1284) features a 3 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K...

  • From$3,549.00

    The Octa Pearl 3 ct Round Halo Lab Grown Diamond Pave Engagement Ring features a 3 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or platinum....

  • From$2,879.00

    The Octa Pearl 1 ct Bezel Set Round Lab Grown Diamond Vintage Halo Engagement Ring features a 1 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold...

  • From$1,749.00

    The Octa Pearl 1 ct Round Cut Lab Grown Diamond Chevron Pave Engagement Ring features a 1 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or...

  • From$3,019.00

    The Octa Pearl 3 ct Round Prong Set Lab Grown Diamond Floral Engagement Ring features a 3 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or...

  • From$1,979.00

    The Octa Pearl 3 ct Round Lab Grown Diamond Twisted Pave Wedding Bridal Ring Set features a 3 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold...

  • From$3,289.00

    The Octa Pearl 3 ct Round Lab Grown Diamond Three Stone Engagement Ring features a 3 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or platinum....

  • From$4,109.00

    The Octa Pearl 3 ct Round Prong Set Lab Grown Diamond Bridal Ring Set features a 3 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or...

  • From$1,949.00

    The Octa Pearl 3 ct Round Lab Grown Diamond Vintage Inspired Pave Wedding Bridal Ring Set features a 3 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K...

  • From$2,709.00

    The Octa Pearl Vintage Inspired Round Lab Grown Diamond Solitaire Engagement Ring carries 0.46 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum. Master-crafted with...

  • From$1,329.00

    The Octa Pearl Round Two Stone Lab Grown Diamond Bypass Pave Engagement Ring carries 1.12 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or platinum. Master-crafted...

  • From$4,319.00

    The Octa Pearl 1.5 ct Round Halo Lab Grown Diamond Split Shank Pave Engagement Ring carries 1.5 carats of lab-grown diamonds in total and is made to order in 10K, 14K or 18K gold or...

  • From$2,089.00

    The Octa Pearl 2 ct Floral Inspired Round Cut Lab Grown Diamond Engagement Ring features a 2 carat round lab-grown diamond center stone and is made to order in 10K, 14K or 18K gold or...

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Round Engagement Rings With Lab-Grown Diamonds

The round brilliant is the shape most people picture when they think of a diamond. Its 57 or 58 facets are arranged in a circle so light travels down and bounces back up through the top, giving round stones the most sparkle of any shape. That brightness also helps mask small inclusions and a hint of body color.

Pairing a Round Diamond With a Setting

With no points or corners to protect, round engagement rings work with nearly every design. A four-prong solitaire shows the most diamond, six prongs look slightly rounder and hold the stone more firmly, and a halo of tiny stones makes the center look larger from above. A circle also lines up neatly against almost any wedding band, straight or curved.

What matters most when picking a round diamond?

Cut quality. A well-cut round looks lively in sunlight, office lighting and candlelight, while a poorly cut one can look glassy or dark in the middle even at a bigger carat weight. Put cut first, then balance size, color and clarity.

Round engagement rings here are made to order in 10K, 14K or 18K yellow, white or rose gold, or in platinum. Delivery is free and insured in the US, resizing is free, and you can request a free ring sizer before you order, plus 30 days to return.