3 Carat Lab Grown Diamond Engagement Rings
At 3 carats, the stone does the talking. Every ring here is graded by 100+ GIA gemologists — because at this size, the details matter more than ever.
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550+ ring designs
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Best Seller
Linda 1.5mm Comfort Fit With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,515
Comp. value: $3,730
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Hidden Halo
Bellora Pavé Hidden Halo Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,300
Comp. value: $4,850
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Best Seller
Vivian Solitaire With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,845
Comp. value: $4,200
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Color+
Hayden Curved Vine Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,985
Comp. value: $4,400
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Best Seller
Marigold Tulip Inspired 6 Prong Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,600
Comp. value: $3,850
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Hidden Halo
Marie Classic Hidden Halo Lab Pavé With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,700
Comp. value: $3,990
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Best Seller
Kennedy Pave With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,285
Comp. value: $4,830
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Vionne Vine With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,005
Comp. value: $4,430
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Hidden Halo
Kayleigh Lab Twist With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,915
Comp. value: $4,300
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Bellora Pavé Twist Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,955
Comp. value: $4,360
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Sue Timeless Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 4,020
Comp. value: $5,880
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Hidden Halo
Betty Marquise Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,840
Comp. value: $4,190
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Hidden Halo
Beverly Timeless Hidden Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,910
Comp. value: $4,290
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Bianca Twist With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,795
Comp. value: $4,130
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Color+
Butterfly And Bee Vine Twist Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,715
Comp. value: $5,440
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Hidden Halo
Lisa Hidden Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,270
Comp. value: $4,810
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Bellora Solitaire With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,980
Comp. value: $4,390
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Hayley Scattered Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,605
Comp. value: $3,860
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Windy Solitaire With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,690
Comp. value: $3,980
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Boda Six Prong 1.5mm Comfort Fit With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,515
Comp. value: $3,730
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Best Seller
Bella Solitaire With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,815
Comp. value: $4,160
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Jules Classic Lab (1/2ct. tw.) With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,860
Comp. value: $4,220
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Marni Petite Three-Stone With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,840
Comp. value: $4,190
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Best Seller
Carmel Vintage Inspired With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,575
Comp. value: $5,240
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Cici Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,620
Comp. value: $5,310
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Best Seller
Rosella Three Stone With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 4,875
Comp. value: $7,100
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Signature Hearts & Arrows Classic Hidden Halo Pavé Lab (1/4ct. tw.) With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,165
Comp. value: $4,660
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Best Seller
Riley Classic Pavé With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,405
Comp. value: $5,000
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Best Seller
Freya Twist With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,160
Comp. value: $4,650
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Signature Hearts & Arrows Pavé Lab (1/4ct. tw.) With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,005
Comp. value: $4,430
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Ally Classic Solitaire (1.4mm) With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,635
Comp. value: $3,900
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Estelle Classic Pavé Cathedral Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,410
Comp. value: $5,010
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Vine Nature Inspired With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,005
Comp. value: $4,430
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Best Seller
Mila Vintage-Inspired Solitaire With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,130
Comp. value: $4,610
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Hidden Halo
Rita Graduated Pavé With Hidden Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,280
Comp. value: $4,820
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Signature Hearts & Arrows Pavé Spiral Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,785
Comp. value: $5,540
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Hidden Halo
Winter Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,580
Comp. value: $5,250
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Widths+
Tradition Cathedral Solitaire (1.8mm) With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,720
Comp. value: $4,020
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Color+
Hayden Curved Vine Tsavorite And With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,040
Comp. value: $4,480
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Clarissa Split Shank Halo With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,305
Comp. value: $4,860
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Tradition Lab Pavé (1/5ct tw.) With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,110
Comp. value: $4,580
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Hidden Halo
Bellora Hidden Halo Lab With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,140
Comp. value: $4,620
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Hidden Halo
Britta Pavé Hidden Circlet And Band With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,390
Comp. value: $4,980
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Virelia Lab by Christian Siriano With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,020
Comp. value: $4,450
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Donna Timeless Pavé With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,200
Comp. value: $4,710
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Lea Nature-Inspired With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,055
Comp. value: $4,500
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Sculpted C-Prong Pavé Lab by Christian Siriano With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 2,830
Comp. value: $4,180
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Best Seller
Madison Three-Stone Lab Pear With 3.02 Carat Round Engagement Ring With 3 Carat Round Diamond
$ 3,305
Comp. value: $4,860
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