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3 Carat Lab Grown Diamonds

[3,042 of 76,736]
Explore our extensive collection of 3 carat lab grown diamonds. Each diamond is certified and available in various shapes and colors, allowing you to find the perfect one.
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IGI 3.02 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
IGI 3.02 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
IGI 3.02 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
$3,880
$3,500
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GIA 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,760
Super Zoom
GIA 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,760
Super Zoom
GIA 3.02 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.02 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.02 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,770
Super Zoom
IGI 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
IGI 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
IGI 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,800
Super Zoom
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,800
Super Zoom
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,800
Super Zoom
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.04 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,800
Super Zoom
GIA 3.05 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.05 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.05 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,810
Super Zoom
GIA 3.05 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.05 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.05 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,810
Super Zoom
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,830
Super Zoom
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,830
Super Zoom
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.07 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,830
Super Zoom
IGI 3.07 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
IGI 3.07 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
IGI 3.07 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
$3,830
Super Zoom
GIA 3.01 Carat F-VS1 Excellent Cut Round Lab-Grown Diamond
GIA 3.01 Carat F-VS1 Excellent Cut Round Lab-Grown Diamond
GIA 3.01 Carat F-VS1 Excellent Cut Round Lab-Grown Diamond
$4,290
$3,860
Super Zoom
IGI 3.09 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
IGI 3.09 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
IGI 3.09 Carat F-VS2 Ideal Cut Round Lab-Grown Diamond
$3,860
Super Zoom
GIA 3.09 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.09 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.09 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,860
Super Zoom
GIA 3.09 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.09 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.09 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,860
Super Zoom
GIA 3.02 Carat F-VS1 Excellent Cut Round Lab-Grown Diamond
GIA 3.02 Carat F-VS1 Excellent Cut Round Lab-Grown Diamond
GIA 3.02 Carat F-VS1 Excellent Cut Round Lab-Grown Diamond
$4,300
$3,870
Super Zoom
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,870
Super Zoom
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,870
Super Zoom
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
GIA 3.10 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,870
Super Zoom
IGI 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
IGI 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
IGI 3.01 Carat F-VS2 Excellent Cut Round Lab-Grown Diamond
$3,870
Super Zoom

3 Carat Lab Grown Diamonds


At James Allen, we’re all about helping you create unforgettable moments with diamonds you can feel good about. Our 3 carat lab grown diamonds are certified for quality and authenticity, giving you the confidence to shop for something truly special. Ethically made and affordable, they make big, bold, and beautiful diamonds accessible for every occasion. Because when it comes to celebrating your love story, we’re here to make it shine.