3 Carat Lab-Grown Diamond Engagement Rings

Dreaming of a ring that dazzles? Our 3 carat diamond engagement rings offer an impressive display of brilliance and luxury. This size is perfect for those who desire a bold statement piece that captures attention and admiration. Each ring in our collection is carefully crafted to highlight the beauty of lab-grown diamonds, making them an ethical and stunning choice.Β 

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Titan Elongated Cushion Wide Shank Solitaire Diamond Ring in yellow gold with 2 carat lab grown diamond. Bold engagement ring with modern elegance. Titan Elongated Cushion Wide Shank Solitaire Lab Grown Diamond Ring

Titan Elongated Cushion Wide Shank Solitaire Lab Grown Diamond Ring

$1,117.00 $1,488.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
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Nectar Round Pear Floating Toi et Moi Lab Grown Diamond Ring in yellow gold with 2 carat round and pear-shaped diamonds on a twisted band. Nectar Round Pear Floating Toi et Moi Lab Grown Diamond Ring

Nectar Round Pear Floating Toi et Moi Lab Grown Diamond Ring

$2,194.00 $2,742.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
3.0
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Aura Oval Hidden Halo Lab Diamond Ring | 3 Carat in yellow gold with a solitaire oval cut lab-grown diamond and delicate hidden halo setting. Side view of 3 Carat Aura Oval Hidden Halo Lab Diamond Ring in yellow gold, showcasing the hidden halo beneath the raised solitaire diamond.

Aura Oval Hidden Halo Solitaire Lab Grown Diamond Ring

$1,067.00 $1,523.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.06 1.56 2.06 2.56 3.06 4.06
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Aura Round Hidden Halo Solitaire Lab Diamond Ring in yellow gold with 3 carat round-cut center stone and subtle diamond halo setting. Side view of Aura Round Hidden Halo Solitaire Lab Diamond Ring in yellow gold showcasing elevated prong setting and hidden halo detail.

Aura Round Hidden Halo Solitaire Lab Grown Diamond Ring

$1,067.00 $1,523.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.06 1.56 2.06 2.56 3.06 4.06
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Emerald Cut Lab Diamond Ring in yellow gold with hidden halo solitaire setting, ideal for modern engagement styles. Side view of Aura Emerald Hidden Halo Solitaire Lab Grown Diamond Ring in yellow gold, showcasing hidden halo detail.

Aura Emerald Hidden Halo Solitaire Lab Grown Diamond Ring

$1,067.00 $1,523.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.05 1.55 2.05 2.55 3.05 4.05
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Aura Cushion Hidden Halo Solitaire Diamond Ring | 2 Carat in yellow gold with a cushion cut lab grown diamond and sleek band design. Side view of 2 Carat Aura Cushion Hidden Halo Solitaire Diamond Ring in yellow gold, showcasing hidden halo beneath the cushion cut diamond.

Aura Cushion Hidden Halo Solitaire Lab Grown Diamond Ring

$1,058.00 $1,511.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.06 1.56 2.06 2.56 3.06 4.06
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Pear cut lab grown diamond ring in yellow gold with hidden halo solitaire setting. Elegant engagement ring for modern brides. Side view of yellow gold hidden halo solitaire ring with pear shaped lab grown diamond. Unique sparkle with delicate band.

Aura Pear Hidden Halo Solitaire Lab Grown Diamond Ring

$1,102.00 $1,574.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.05 1.55 2.05 2.55 3.05 4.05
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Aura Radiant Hidden Halo Solitaire Diamond Ring | 2 Carat in yellow gold with radiant cut lab grown diamond and delicate hidden halo setting. Side view of 2 Carat Aura Radiant Hidden Halo Solitaire Diamond Ring in yellow gold showcasing hidden halo and elevated solitaire setting.

Aura Radiant Hidden Halo Solitaire Lab Grown Diamond Ring

$1,067.00 $1,523.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.06 1.56 2.06 2.56 3.06 4.06
Save 30%
Aura Marquise Hidden Halo Solitaire Diamond Ring in yellow gold with 2 carat lab-grown marquise diamond, ideal for modern engagement styles. Side view of yellow gold Aura Marquise Hidden Halo Solitaire Diamond Ring showcasing hidden halo detail and slim band for elegant bridal wear.

Aura Marquise Hidden Halo Solitaire Lab Grown Diamond Ring

$1,102.00 $1,574.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.05 1.55 2.05 2.55 3.05 4.55
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June Marquise Classic Solitaire Diamond Ring | 2 Carat in yellow gold with a marquise-cut lab grown diamond set in a six-prong setting. Side view of June Marquise Classic Solitaire Diamond Ring | 2 Carat in yellow gold showing elevated marquise diamond and sleek band profile.

June Marquise Classic Solitaire Lab Grown Diamond Ring

$931.00 $1,242.00
Metal
10K 10K 14k 14K 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
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Radiant Cut Classic Solitaire Lab Diamond Ring in yellow gold with a weighty band and four-prong setting, ideal for modern brides. Radiant Cut Classic Solitaire Lab Diamond Ring worn on hand, showcasing its elegant brilliance and timeless yellow gold design.

June Radiant Classic Solitaire Lab Grown Diamond Ring

$946.00 $1,261.00
Metal
10K 10K 14k 14K 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
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June Tilted Pear Classic Solitaire Diamond Ring in yellow gold with a 2 carat lab grown pear-shaped diamond set at an elegant angle. 2 carat June Tilted Pear Classic Solitaire Diamond Ring worn on hand, showcasing the angled pear cut diamond and sleek gold band.

June Tilted Pear Classic Solitaire Lab Grown Diamond Ring

$931.00 $1,242.00
Metal
10K 10K 14k 14K 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
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June Pear Lab Grown Diamond Solitaire Ring in yellow gold with a pear-shaped diamond in a classic prong setting for timeless elegance. June Pear Lab Grown Diamond Solitaire Ring worn on hand, showcasing its pear-shaped brilliance and minimalist yellow gold band.

June Pear Classic Solitaire Lab Grown Diamond Ring

$931.00 $1,242.00
Metal
10K 10K 14k 14K 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
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June Asscher Classic Solitaire Diamond Ring in yellow gold with a 2 carat asscher cut lab grown diamond, featuring a timeless four-prong setting. 2 carat June Asscher Classic Solitaire Diamond Ring worn on hand, showcasing its elegant yellow gold band and secure solitaire setting.

June Asscher Classic Solitaire Lab Grown Diamond Ring

$931.00 $1,242.00
Metal
10K 10K 14k 14K 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
Save 25%
June Cushion Classic Solitaire Diamond Ring in yellow gold with a 2 carat lab grown cushion cut diamond and secure prong setting. 2 carat June Cushion Classic Solitaire Diamond Ring worn on hand, showcasing elegant yellow gold band and cushion cut diamond sparkle.

June Cushion Classic Solitaire Lab Grown Diamond Ring

$931.00 $1,242.00
Metal
10K 10K 14k 14K 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
Save 25%
June Oval East-West Classic Solitaire Diamond Ring in yellow gold with a 2 carat lab-grown oval diamond set horizontally in a minimalist band. 2 carat June Oval East-West Classic Solitaire Diamond Ring worn on hand, showcasing the horizontal oval diamond and sleek yellow gold band.

June Oval East-West Classic Solitaire Lab Grown Diamond Ring

$946.00 $1,261.00
Metal
10K 10K 14k 14K 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
Save 25%
June Oval Classic Solitaire Diamond Ring in yellow gold with a 2 carat lab grown oval diamond, featuring a secure four-prong setting and polished band. 2 Carat June Oval Classic Solitaire Diamond Ring worn on hand, showcasing its elegant yellow gold band and sparkling oval cut lab grown diamond.

June Oval Classic Solitaire Lab Grown Diamond Ring

$946.00 $1,261.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
Save 25%
June Emerald Classic Solitaire Lab Grown Diamond Ring in yellow gold with a 2 carat emerald-cut diamond, featuring a sleek, timeless band. 2 carat June Emerald Classic Solitaire Lab Grown Diamond Ring worn on hand, showcasing its elegant emerald-cut diamond and minimalist gold band.

June Emerald Classic Solitaire Lab Grown Diamond Ring

$946.00 $1,261.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
Save 25%
June Round Classic Solitaire Diamond Ring in yellow gold with a 2 carat lab grown round diamond, featuring a secure four-prong setting. 2 Carat June Round Classic Solitaire Diamond Ring worn on hand, showcasing its elegant yellow gold band and timeless round diamond cut.

June Round Classic Solitaire Lab Grown Diamond Ring

$946.00 $1,261.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.0 1.5 2.0 2.5 3.0 4.0
Save 15%
Mira Oval Half-Bezel Solitaire Diamond Ring in yellow gold with a 2 carat east-west set lab-grown oval diamond, showcasing a sleek modern bezel. 2 carat Mira Oval Half-Bezel Solitaire Diamond Ring worn on hand, featuring an east-west oval diamond in yellow gold for a minimalist engagement look.

Mira Oval Half Bezel Solitaire Lab Grown Diamond Ring

$1,121.00 $1,319.00
Metal
10K 10K 14K 14k 18K 18K PT
Total Carat
1.5 2.0 3.0 4.0

3-Carat Lab-Grown Diamond Engagement Rings

For couples who believe their love story deserves to be told in bold strokes, our 3-carat lab-grown diamond engagement rings offer breathtaking presence without the breathtaking price tag of mined diamonds. These extraordinary stones represent the sweet spot where luxury becomes accessible - where you can own a diamond that would typically require generational wealth, all while making an environmentally conscious choice. The numbers speak for themselves: while a quality 3-carat natural diamond might command $25,000 or more, our lab-grown equivalents deliver identical brilliance and quality for just $2000+. This dramatic price difference isn't about compromising on quality (every diamond is IGI-certified with Excellent or Ideal cut grades), but rather about eliminating the artificial scarcity and environmental costs of mining.

The result? A diamond that lets you celebrate your commitment without financial regret, a center piece that will draw admiring glances for generations while representing your shared values of intelligence and responsibility.

Are lab-grown diamonds real diamonds?

Yes! Lab-grown diamonds are chemically, physically, and optically identical to mined diamonds. They're graded using the same 4Cs (cut, color, clarity, and carat weight) by reputable labs like IGI. The only difference is their origin - created sustainably in a lab rather than mined from the earth.

Is a 3-carat diamond too big for everyday wear?

While a 3-carat diamond makes a definite statement, many clients wear them daily without issue. We recommend choosing a secure setting (like a bezel or cathedral design) and considering your lifestyle.

What clarity grade should I choose for a 3-carat diamond?

For stones this size, we recommend VS2 clarity or higher to ensure eye-clean perfection. The larger surface area makes inclusions slightly more visible than in smaller carat weights.