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Fascinating Diamonds

1 Carat Engagement Rings

Our 1 carat diamond ring collection features both natural and lab-grown diamonds, all certified by IGI or GIA for quality and authenticity. Each piece is crafted for maximum brilliance with full price transparency. Find 1 carat princess cut, oval, and round diamond rings designed for modern couples who value trust and craftsmanship.

Explore Our One Carat Diamond Ring Collection


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Asscher Cut French Pave Diamond Wedding Ring Set

$2,457.55
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Round Cut Curved Vine Engagement Ring

$2,091.85
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- 33%

Petite Oval Bezel Simple Engagement Ring

$1,526.05
$1,558.25
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Asscher Cut French Pave Diamond Engagement Ring

$1,612.30
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Pave Underhalo engagement ring

$1,877.95
Twisted Pear Halo Bridal Ring Set
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Twisted Pear Halo Bridal Ring Set
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Twisted Pear Halo Bridal Ring Set

$3,435.05
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Cross Band Engagement Ring

$1,926.25
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Cathedral Flat Band Solitaire Engagement Ring

$1,518.00
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East West Oval Wedding Band Ring Set

$2,202.25
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Swirl Oval Solitaire Engagement Ring

$1,451.30
Christmas  Sale
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Swirl Oval East West Solitaire Diamond Ring

$1,451.30
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Solitaire Ring With Eternity Band

$2,475.95
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Floating Marquise Accent Ring With Eternity Band

$3,628.25
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Curve Wave Pear Shaped Solitaire Diamond Ring

$1,782.50
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Bezel Solitaire Ring With Diamond Band

$2,159.70
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Celtic Solitaire Engagement Ring

$1,683.60
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Petite Cathedral Simple Engagement Ring

$1,432.90
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Antique Filigree Wedding Ring Set

$4,200.95
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Antique Filigree Engagement Ring

$2,428.80
6 Claw Prong Simple Engagement Ring
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6 Claw Prong Simple Engagement Ring

$2,011.35
Christmas  Sale
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Classic Vine Halo Engagement Ring

$1,840.00
Petite Swirl Engagement Ring
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Petite Swirl Engagement Ring

$1,573.20
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Hidden Halo Micropave Engagement Ring

$1,928.55
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Hand Engraved Halo Asscher Cut Wedding Ring Set

$2,757.70

1 Carat Diamond Rings – Size, Price & Why They’re the Smart Choice

A 1 carat diamond ring remains one of the most balanced and practical choices for couples. It delivers visible brilliance without the high cost or maintenance of larger stones. Compared to 2 or 3 carat rings, a 1 carat diamond feels lighter on the hand, is easier to wear daily, and fits a wide range of ring settings comfortably.

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1 Carat vs 2 or 3 Carat Diamond Rings

The size difference between a 1 carat diamond ring and a 2 or 3 carat ring is easy to see, but so is the price gap. A 1 carat natural diamond ring of good quality typically ranges from $4,000 to $10,000, while a similar 2 carat diamond can cost between $15,000 and $25,000. A 3 carat diamond ring often starts around $30,000. This makes the 1 carat size a strong choice for value-conscious buyers who want elegance and quality without overspending.

Lab Grown vs Natural 1 Carat Diamonds

A 1 carat lab-grown diamond ring offers the same look and sparkle as a mined stone but costs less — usually between $700 and $2,000. Lab-grown diamonds are identical in composition, come with certification, and are sourced ethically, making them a transparent and responsible alternative.

Best Shapes for 1 Carat Rings

  • Oval cut – Appears larger due to its shape, ideal for a longer finger look.
  • Emerald cut – Offers a clean, structured appearance with visible clarity.
  • Round cut – Delivers maximum brilliance and timeless appeal.

A 1 carat diamond engagement ring, available in both lab-grown and natural options, offers lasting beauty, certified quality, and clear pricing — making it a smart, trustworthy purchase.

FAQs For 1 Carat Engagement Rings

How big does a 1 carat diamond ring look?

A 1 carat diamond ring typically measures about 6.4 mm in diameter for a round cut. It offers a balanced size that looks elegant on most hands without appearing too large or too small.

What is the price of a 1 carat diamond ring?

A 1 carat natural diamond ring generally costs between $4,000 and $10,000, depending on cut, color, and clarity. A 1 carat lab-grown diamond ring of similar quality is more affordable, priced around $700 to $2,000.

Is a 1 carat diamond ring a good choice for engagement?

Yes. A 1 carat diamond engagement ring offers the ideal mix of brilliance, comfort, and value. It’s easy to wear daily, fits most ring settings, and provides a timeless appearance.

What shapes are best for a 1 carat diamond ring?

Popular shapes include oval, round, and emerald cuts. Oval rings look slightly larger, round cuts offer maximum sparkle, and emerald cuts highlight clarity with a clean, geometric style.

What’s the difference between lab-grown and natural 1 carat diamonds?

Both are real diamonds. The only difference is origin — lab-grown diamonds are created in controlled environments, offering identical quality and certification at a lower price. Natural diamonds are mined and generally more expensive due to rarity.

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Terms & Conditions

Fascinating Diamonds supplies products listed on the Fascinating Diamonds, and Fascinating Diamonds websites, and in our stores under the following Terms and Conditions. Please read these Terms and Conditions, and our Privacy and Cookie Policies carefully before using any of our websites, or ordering from us.

The Terms and Conditions apply to your use of any Fascinating Diamonds website and to any products you purchase from them; regardless of how you access the website, including any technologies or devices where our website is available to you at home, on the move or in store

We reserve the right to update these Terms and Conditions at any time, and any updates affecting you or your purchases will be notified to you, by us in writing (via email), and on this page.

The headings in these Conditions are for convenience only and shall not affect their interpretation.

We recommend that you print and keep a copy of these Terms and Conditions for your future reference...