3 Carat Oval-Cut Lab-Grown Diamond Engagement Rings

Quick Ship Customer complete rings

Carat is the measure of a diamond's weight and size. We offer an array of high-quality diamonds ranging from 0.18 to 25.00 carats- with 1.00 carat being the most popular.

A diamond’s color grade actually measures how little color it reflects. To strike the best balance between cost and beauty, go for diamonds in the Near Colorless range: G, H, and I.

Clarity indicates how many flaws are visible to the naked eye. Too many flaws can detract from a diamond's beauty.

Cut is the quality of a diamond’s proportions and symmetry. The better a diamond’s proportions and symmetry, the more sparkle it will produce. Cut is the most important of the 4 Cs.

In a rush to get your diamond? Choose your ideal delivery date.

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The Milena Solitaire / 3.01 Carat Oval Lab Diamond
$2,528.00

The Milena Solitaire / 3.01 Carat Oval Lab Diamond
$2,795.00

The Milena Solitaire / 3.02 Carat Oval Lab Diamond
$2,911.00

The Elyse Solitaire / 3.01 Carat Oval Lab Diamond
$3,022.00

The Cordelia Solitaire / 3.01 Carat Oval Lab Diamond
$3,037.00

The Jasmine Solitaire / 3.01 Carat Oval Lab Diamond
$3,037.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.01 Carat Oval Lab Diamond
$3,040.00

Two Stone Asscher Lab Diamond Engagement Ring / 2.01 Carat Oval Lab Diamond
$3,120.00

The Maddie Solitaire / 3.01 Carat Oval Lab Diamond
$3,150.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.02 Carat Oval Lab Diamond
$3,161.00

Two Stone Asscher Lab Diamond Engagement Ring / 2.01 Carat Oval Lab Diamond
$3,182.00

The Milena Solitaire / 3.02 Carat Oval Lab Diamond
$3,244.00

The Milena Solitaire / 3.01 Carat Oval Lab Diamond
$3,276.00

The Ottilie Solitaire / 3.01 Carat Oval Lab Diamond
$3,281.00

The Elyse Solitaire / 3.02 Carat Oval Lab Diamond
$3,283.00

Two Stone Asscher Lab Diamond Engagement Ring / 2.02 Carat Oval Lab Diamond
$3,288.00

The Elyse Solitaire / 3.01 Carat Oval Lab Diamond
$3,289.00

Twisted Metal Halo Engagement Ring / 3.01 Carat Oval Lab Diamond
$3,296.00

The Tallulah Solitaire / 3.01 Carat Oval Lab Diamond
$3,296.00

The Cordelia Solitaire / 3.01 Carat Oval Lab Diamond
$3,304.00

The Jasmine Solitaire / 3.01 Carat Oval Lab Diamond
$3,304.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.01 Carat Oval Lab Diamond
$3,307.00

The Elodie Solitaire / 3.01 Carat Oval Lab Diamond
$3,311.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.02 Carat Oval Lab Diamond
$3,315.00

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3 Carat Oval-Cut Lab-Grown Diamond Rings

A 3 carat oval-cut diamond is a stunning choice for your engagement ring. Full of sparkle, this trending diamond shape will flatter and elongate the appearance of your finger. Luckily, you can save on your ring by choosing a lab-grown diamond. These diamonds are completely identical physically, optically, and chemically to mined diamonds.

Oval-cut diamonds look stunning with a variety of settings. Choose a solitaire setting to let your 3 carat diamond stand out. Or make it look even larger with a halo setting. A side stone setting will provide subtle glamour without being too overwhelming.

Need help choosing the right ring? Our virtual gemologists are ready to assist you. Call us at 1-888-9RITANI or chat now.

Learn More about Oval Engagement Rings

Rose Gold Oval Engagement Rings

Oval Halo Engagement Rings

Oval Solitaire Engagement Rings

3 Carat Oval-Cut Lab-Grown Diamond Engagement Rings

The Milena Solitaire / 3.01 Carat Oval Lab Diamond$2,528.00

The Milena Solitaire / 3.01 Carat Oval Lab Diamond$2,795.00

The Milena Solitaire / 3.02 Carat Oval Lab Diamond$2,911.00

The Elyse Solitaire / 3.01 Carat Oval Lab Diamond$3,022.00

The Cordelia Solitaire / 3.01 Carat Oval Lab Diamond$3,037.00

The Jasmine Solitaire / 3.01 Carat Oval Lab Diamond$3,037.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.01 Carat Oval Lab Diamond$3,040.00

Two Stone Asscher Lab Diamond Engagement Ring / 2.01 Carat Oval Lab Diamond$3,120.00

The Maddie Solitaire / 3.01 Carat Oval Lab Diamond$3,150.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.02 Carat Oval Lab Diamond$3,161.00

Two Stone Asscher Lab Diamond Engagement Ring / 2.01 Carat Oval Lab Diamond$3,182.00

The Milena Solitaire / 3.02 Carat Oval Lab Diamond$3,244.00

The Milena Solitaire / 3.01 Carat Oval Lab Diamond$3,276.00

The Ottilie Solitaire / 3.01 Carat Oval Lab Diamond$3,281.00

The Elyse Solitaire / 3.02 Carat Oval Lab Diamond$3,283.00

Two Stone Asscher Lab Diamond Engagement Ring / 2.02 Carat Oval Lab Diamond$3,288.00

The Elyse Solitaire / 3.01 Carat Oval Lab Diamond$3,289.00

Twisted Metal Halo Engagement Ring / 3.01 Carat Oval Lab Diamond$3,296.00

The Tallulah Solitaire / 3.01 Carat Oval Lab Diamond$3,296.00

The Cordelia Solitaire / 3.01 Carat Oval Lab Diamond$3,304.00

The Jasmine Solitaire / 3.01 Carat Oval Lab Diamond$3,304.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.01 Carat Oval Lab Diamond$3,307.00

The Elodie Solitaire / 3.01 Carat Oval Lab Diamond$3,311.00

Two-Tone Tapered Cathedral Solitaire Engagement Ring-N/S Prongs / 3.02 Carat Oval Lab Diamond$3,315.00