Oval Lab Grown Diamond Engagement Rings

Choose our oval lab grown diamond engagement ring that gives you more finger coverage and a larger look without giving up color or clarity. Its elongated outline flatters the finger, while brilliant facets keep the center diamond bright. Explore solitaire, hidden halo, halo, three stone, side stone, bezel, pavé, and vintage settings in solid gold or platinum. Compare 1, 2, and 3 carat sizes, millimeter measurements, length to width ratios, and bow tie patterns before you choose. Each oval center diamond comes in D or E color and VS/VVS clarity, with an IGI report for independent grading. Leonids brings more than 20 years of jewelry manufacturing experience and can customize the carat, metal, setting, side stones, and free engraving.

Esme丨Oval Lab Diamond Three-Stone Engagement Ring with Pear Side Stones - Rings

Esme丨Oval Lab Diamond Three-Stone Engagement Ring with Pear Side Stones

From $1,490.00

Eloise丨Oval Lab-Grown Diamond Twisted Engagement Ring with Side Accents - Rings

Eloise丨Oval Lab-Grown Diamond Twisted Engagement Ring with Side Accents

From $1,380.00

Ophelia丨Oval Lab Diamond Trilogy Engagement Ring with Half-Moon Side Stones - Rings

Ophelia丨Oval Lab Diamond Trilogy Engagement Ring with Half-Moon Side Stones

From $1,540.00

Remy丨Oval Lab Diamond Hidden Halo Engagement Ring with Floating Diamond Accents - Rings

Remy丨Oval Lab Diamond Hidden Halo Engagement Ring with Floating Diamond Accents

From $1,300.00

Vesper丨Oval Lab Diamond Engagement Ring with Marquise Leaf Diamond Band - Rings

Vesper丨Oval Lab Diamond Engagement Ring with Marquise Leaf Diamond Band

From $1,250.00

Odette丨Oval Lab - Grown Diamond Engagement Ring with Marquise Side Diamonds - Rings

Odette丨Oval Lab-Grown Diamond Engagement Ring with Marquise Side Diamonds

From $1,270.00

3CT Oval Cut Lab - Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum - Rings

Sophia丨3CT Oval Cut Lab-Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum

$3,420.00

2CT Oval Cut Lab - Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum - Rings

Sophia丨2CT Oval Cut Lab-Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum

$2,470.00

1CT Oval Cut Lab - Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum - Rings

Sophia丨1CT Oval Cut Lab-Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum

$1,700.00

Olivia丨2CT Three-Stone Lotus-Inspired Lab-grown Diamond Engagement Ring - Rings

Olivia丨2CT Three-Stone Lotus-Inspired Lab-grown Diamond Engagement Ring

$2,390.00

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Oval Cut Diamond Engagement Rings FAQ

An oval lab grown diamond engagement ring features a diamond made in a controlled setting and cut into an oval shape. A lab grown diamond has essentially the same optical, physical, and chemical properties as a mined diamond, but it has a different origin. Leonids offers oval center diamonds in D or E color and VVS clarity, with an IGI report for independent grading. Source: IGI Laboratory Grown Diamond Report. FTC Gemstone Consumer Guide.

An oval diamond often looks larger than a round diamond of the same carat weight. Its long shape spreads more of the diamond across the finger. Check the diamond's length and width in millimeters. These measurements show its visible size. Source: The Knot 2025 Oval Engagement Ring Guide. GIA 2025 Oval Cut Diamond Guide. FTC Gemstone Size Guide.

Start with ratios between 1.35 and 1.50. A ratio near 1.35 looks wider and rounder. A ratio near 1.50 looks longer and slimmer. Match the shape to your ring size, finger coverage, and style.

A bow tie is a dark band across the middle of an oval diamond. It comes from the facet pattern and the way light moves through the stone. A faint bow tie is normal. A dark bow tie makes the center look less bright.Check a clear video of the diamond in different lighting before you choose. Source: GIA 2025 Bow Tie Instructions.

A 1, 2, or 3 carat oval looks larger on a small hand and smaller on a large hand. Ring size, diamond measurements, length to width ratio, setting style, and band width all affect finger coverage. Use millimeter measurements and hand photos to compare sizes instead of relying on carat weight alone. Source: GIA Carat Weight and Diamond Size. The Knot 2026 Survey.

Choose a solitaire if you want the oval diamond to stand alone. Pick a hidden halo for sparkle from the side. Choose a visible halo to make the ring look larger from above. Three stone and side stone settings add more finger coverage. A bezel gives the oval diamond a smooth edge and added protection for daily wear. Source: The Knot Hidden Halo Guide. The Knot Engagement Ring Statistics.

Check the basket height before you choose a wedding band. A raised basket leaves room for a straight band. A low or wide basket leaves a gap. A curved, contour, or open band follows the ring more closely. View both rings from the side before you order. Source: The Knot Low Profile Engagement Ring Guide. The Knot 2025 Wedding Band Shape Guide. Jewelers Mutual Open Wedding Band Guide.

Yes. Choose the oval diamond's carat weight and length to width ratio. Then select the setting, side stones, metal, and free engraving. Leonids offers solid gold or platinum in solitaire, halo, three stone, side stone, pavé, and bezel styles. Before production, share your ring size, daily routine, finger coverage, and wedding band choice.

Oval Cut Lab-Grown Diamond Engagement Rings

Every oval engagement ring in this collection features a lab grown diamond graded VVS clarity and D or E color only. We do not offer mixed-quality ranges or lower-grade stones. This keeps the focus on clean brilliance, sharp faceting, and consistent visual performance across all carat sizes.

Because Leonids works without traditional retail middlemen, carat freedom is not a marketing phrase. It is structural. You are paying for the diamond and the craftsmanship, not multiple layers of markup. This allows you to choose a larger, higher-grade center stone without compromising on cut quality or long-term wear.

Each ring is crafted in recycled 14K gold or platinum and designed for balance, comfort, and daily durability.

What Carat Freedom Actually Means at Leonids

Carat freedom at Leonids comes from two places.

First, lab grown diamonds allow us to work exclusively with high-grade stones. VVS clarity and D or E color ensure that increasing carat size does not introduce visible inclusions or dullness.

Second, Leonids operates without the traditional wholesale to retail markup chain. This removes pressure to down-grade diamonds to hit price points. The result is a ring where size, quality, and cost stay aligned.

You are not choosing between “bigger” and “better.” You get both, by design.

Oval Engagement Ring Settings

Every setting in this collection is designed to support the oval cut’s proportions rather than distract from them.

  • Solitaire settings emphasize elongation and clean presence
  • Three-stone designs add visual weight while keeping the oval dominant
  • Hidden halo settings introduce subtle brilliance beneath the center stone
  • Pavé bands increase sparkle without overpowering the oval shape
  • Bezel settings offer a modern, protective frame ideal for daily wear
  • Twisted bands add movement and character while maintaining balance

Most designs support custom center stone selection or further adjustments on request. You can contact us for custom designs.

Materials and Diamond Standards

All oval engagement rings at Leonids are made with:

  • Lab grown diamonds only
  • VVS clarity and D or E color grades
  • Recycled 14K yellow gold, white gold, rose gold, or platinum
  • Craftsmanship focused on longevity, comfort, and structural integrity

These choices are intentional. They allow larger diamonds to remain visually clean, wearable, and proportionally refined. You can explore all other engagement rings here.