The OG Seamless Halo® design, Alyssa features our signature “prongless” halo around the top and the side of the center stone to maximize scintillation.

Design Your Own Ring
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 1
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 2
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 3
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 4
Alyssa Seamless Halo® Engagement Ring - High Polish Band
18k White Gold / Round
$2,700 $2,700 Save 0%
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 21
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 22
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 23
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 24
Alyssa Seamless Halo® Engagement Ring - One Row Pavé Band
18k White Gold / Oval
$3,100 $3,100 Save 0%

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Alyssa Seamless Halo® Lab Diamond Engagement Ring image 46
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 47
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 48
Alyssa Seamless Halo® Lab Diamond Engagement Ring image 49
Alyssa Seamless Halo® Engagement Ring - Three Row Pavé Band
18k Yellow Gold / Round
$3,800 $3,800 Save 0%
Alyssa Seamless Halo® 2.70 CT Cushion Cut Engagement Ring
18k Rose Gold / Cushion
$8,400 $8,400 Save 0%
Alyssa Seamless Halo® 4.00 CT Oval Cut Engagement Ring
18k Yellow Gold / Oval
$10,300 $10,300 Save 0%
Alyssa Seamless Halo® 3.24 CT Princess Cut Engagement Ring
18k White Gold / Princess
$12,000 $12,000 Save 0%
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Alyssa Seamless Halo® 2.51 CT Round Cut Engagement Ring
Platinum / Round
$8,600 $8,600 Save 0%
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Alyssa Seamless Halo® 3.01 CT Oval Shape Lab Diamond Engagement Ring
Platinum / Oval
$11,600 $11,600 Save 0%
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Alyssa Seamless Halo® 3.04 CT Oval Shape Lab Diamond Engagement Ring
18k White Gold / Oval
$11,300 $11,300 Save 0%
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Alyssa Seamless Halo® 2.6 CT Round Cut Engagement Ring
18k White Gold / Round
$9,300 $9,300 Save 0%
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 1
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 2
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 3
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 4
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Alyssa Seamless Halo® 3.08 Ct Oval Cut Lab Diamond Engagement Ring
Platinum / Oval
$12,200 Save Liquid error (snippets/product_card line 272): divided by 0%
Alyssa Seamless Halo® Round Cut Lab Diamond Engagement Ring image 1
Alyssa Seamless Halo® Round Cut Lab Diamond Engagement Ring image 2
Alyssa Seamless Halo® Round Cut Lab Diamond Engagement Ring image 3
Alyssa Seamless Halo® Round Cut Lab Diamond Engagement Ring image 4
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Alyssa Seamless Halo® 2.73 Ct Round Cut Lab Diamond Engagement Ring
Platinum / Round
$9,300 Save Liquid error (snippets/product_card line 272): divided by 0%
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 1
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 2
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 3
Alyssa Seamless Halo® Oval Cut Lab Diamond Engagement Ring image 4
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Alyssa Seamless Halo® 3.50 Ct Oval Cut Lab Diamond Engagement Ring
Platinum / Oval
$13,300 Save Liquid error (snippets/product_card line 272): divided by 0%
Alyssa Seamless Halo® Radiant Cut Lab Diamond Engagement Ring image 1
Alyssa Seamless Halo® Radiant Cut Lab Diamond Engagement Ring image 2
Alyssa Seamless Halo® Radiant Cut Lab Diamond Engagement Ring image 3
Alyssa Seamless Halo® Radiant Cut Lab Diamond Engagement Ring image 4
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Alyssa Seamless Halo® 3.67 Ct Radiant Cut Lab Diamond Engagement Ring
Platinum / Radiant
$14,700 Save Liquid error (snippets/product_card line 272): divided by 0%
Alyssa Oval Cut Lab Diamond Solitaire Engagement Ring image 1
Alyssa Oval Cut Lab Diamond Solitaire Engagement Ring image 2
Alyssa Oval Cut Lab Diamond Solitaire Engagement Ring image 3
Alyssa Oval Cut Lab Diamond Solitaire Engagement Ring image 4
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Alyssa 2.55 Ct Oval Cut Solitaire Engagement Ring
18k Yellow Gold / Oval
$8,700 Save Liquid error (snippets/product_card line 272): divided by 0%
Alyssa Cushion Cut Lab Diamond Solitaire Engagement Ring image 1
Alyssa Cushion Cut Lab Diamond Solitaire Engagement Ring image 2
Alyssa Cushion Cut Lab Diamond Solitaire Engagement Ring image 3
Alyssa Cushion Cut Lab Diamond Solitaire Engagement Ring image 4
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Alyssa 3.06ct Cushion Cut Lab Diamond Solitaire Engagement Ring
18k White Gold / Cushion
$11,600 Save Liquid error (snippets/product_card line 272): divided by 0%