Diamond 3 Carat Engagement Ring

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  • Moissanite 3.50 CT Oval Diamond Boho & Hippie Engagement Ring
    Moissanite 3.50 CT Oval Diamond Boho & Hippie Engagement Ring
    Moissanite 3.50 CT Oval Diamond Boho & Hippie Engagement Ring
    Moissanite 3.50 CT Oval Diamond Boho & Hippie Engagement Ring
    From $408
    From $408
  • Moissanite 3.50 CT Oval Diamond Gothic Engagement Ring
    Moissanite 3.50 CT Oval Diamond Gothic Engagement Ring
    Moissanite 3.50 CT Oval Diamond Gothic Engagement Ring
    Moissanite 3.50 CT Oval Diamond Gothic Engagement Ring
    From $409
    From $409
  • Moissanite 3.57 CT Asscher Diamond Art Deco Engagement Ring
    Moissanite 3.57 CT Asscher Diamond Art Deco Engagement Ring
    Moissanite 3.57 CT Asscher Diamond Art Deco Engagement Ring
    Moissanite 3.57 CT Asscher Diamond Art Deco Engagement Ring
    From $453
    From $453
  • Moissanite 3.40 CT Emerald Diamond Gothic Engagement Ring
    Moissanite 3.40 CT Emerald Diamond Gothic Engagement Ring
    Moissanite 3.40 CT Emerald Diamond Gothic Engagement Ring
    Moissanite 3.40 CT Emerald Diamond Gothic Engagement Ring
    From $403
    From $403
  • Moissanite 3.40CT Radiant Diamond Edwardian Engagement Ring - IBIZ Jewel
    Moissanite 3.40CT Radiant Diamond Edwardian Engagement Ring - IBIZ Jewel
    Moissanite 3.40CT Radiant Diamond Edwardian Engagement Ring - IBIZ Jewel
    Moissanite 3.40CT Radiant Diamond Edwardian Engagement Ring
    From $399
    From $399
  • Moissanite 3.40CT Toi At Moi Diamond Art Deco Engagement Ring
    Moissanite 3.40CT Toi At Moi Diamond Art Deco Engagement Ring
    Moissanite 3.40CT Toi At Moi Diamond Art Deco Engagement Ring
    Moissanite 3.40CT Toi At Moi Diamond Art Deco Engagement Ring
    From $441
    From $441
  • Moissanite 3.49CT Princess Diamond Avant Garde Engagement Ring
    Moissanite 3.49CT Princess Diamond Avant Garde Engagement Ring
    Moissanite 3.49CT Princess Diamond Avant Garde Engagement Ring
    Moissanite 3.49CT Princess Diamond Avant Garde Engagement Ring
    From $447
    From $447
  • Moissanite 3.32 CT Pear Diamond Boho Engagement Ring
    Moissanite 3.32 CT Pear Diamond Boho Engagement Ring
    Moissanite 3.32 CT Pear Diamond Boho Engagement Ring
    Moissanite 3.32 CT Pear Diamond Boho Engagement Ring
    From $435
    From $435
  • Moissanite 3.35 CT Oval Diamond Boho & Hippie Engagement Ring
    Moissanite 3.35 CT Oval Diamond Boho & Hippie Engagement Ring
    Moissanite 3.35 CT Oval Diamond Boho & Hippie Engagement Ring
    Moissanite 3.35 CT Oval Diamond Boho & Hippie Engagement Ring
    From $399
    From $399
  • Lab Grown Diamond 3.00 CT Lozenge Cut Solitaire Engagement Ring
    Lab Grown Diamond 3.00 CT Lozenge Cut Solitaire Engagement Ring
    Lab Grown Diamond 3.00 CT Lozenge Cut Solitaire Engagement Ring
    Lab Grown Diamond 3.00 CT Lozenge Cut Solitaire Engagement Ring
    From $4,336.82
    From $4,336.82
    New
  • Lab Grown Diamond 3.00 CT Pear Cut Solitaire Engagement | Promise Ring
    Lab Grown Diamond 3.00 CT Pear Cut Solitaire Engagement | Promise Ring
    Lab Grown Diamond 3.00 CT Pear Cut Solitaire Engagement | Promise Ring
    Lab Grown Diamond 3.00 CT Pear Cut Solitaire Engagement | Promise Ring
    From $740
    From $740
    New
  • Lab Grown Diamond 3.00 CT Round Cut Solitaire Engagement Ring | Two Tone Ring
    Lab Grown Diamond 3.00 CT Round Cut Solitaire Engagement Ring | Two Tone Ring
    Lab Grown Diamond 3.00 CT Round Cut Solitaire Engagement Ring | Two Tone Ring
    Lab Grown Diamond 3.00 CT Round Cut Solitaire Engagement Ring | Two Tone Ring
    From $2,102.79
    From $2,102.79
    New
  • Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    From $1,691.85
    From $1,691.85
    New
  • Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    Lab Grown Diamond 3.00 CT Three Stone Cushion Cut Engagement Ring
    From $1,273.11
    From $1,273.11
    New
  • Moissanite 3.00 CT Cushion Cut Diamond Solitaire Engagement Ring | Dainty Ring
    Moissanite 3.00 CT Cushion Cut Diamond Solitaire Engagement Ring | Dainty Ring
    Moissanite 3.00 CT Cushion Cut Diamond Solitaire Engagement Ring | Dainty Ring
    Moissanite 3.00 CT Cushion Cut Diamond Solitaire Engagement Ring | Dainty Ring
    From $515.23
    From $515.23
    New
  • Moissanite 3.00 CT Emerald Cut Diamond Solitaire Engagement Ring
    Moissanite 3.00 CT Emerald Cut Diamond Solitaire Engagement Ring
    Moissanite 3.00 CT Emerald Cut Diamond Solitaire Engagement Ring
    Moissanite 3.00 CT Emerald Cut Diamond Solitaire Engagement Ring
    From $2,047.56
    From $2,047.56
    New
  • Moissanite 3.00 CT Marquise Cut Diamond Solitaire Engagement Ring
    Moissanite 3.00 CT Marquise Cut Diamond Solitaire Engagement Ring
    Moissanite 3.00 CT Marquise Cut Diamond Solitaire Engagement Ring
    Moissanite 3.00 CT Marquise Cut Diamond Solitaire Engagement Ring
    From $238.39
    From $238.39
    New
  • Moissanite 3.00 CT Radiant cut Diamond Solitaire Engagement Ring | Hidden Halo Ring
    Moissanite 3.00 CT Radiant cut Diamond Solitaire Engagement Ring | Hidden Halo Ring
    Moissanite 3.00 CT Radiant cut Diamond Solitaire Engagement Ring | Hidden Halo Ring
    Moissanite 3.00 CT Radiant cut Diamond Solitaire Engagement Ring | Hidden Halo Ring
    From $260.42
    From $260.42
    New
  • Moissanite 3.00 CT Three Stone Emerald Cut Diamond Engagement Ring
    Moissanite 3.00 CT Three Stone Emerald Cut Diamond Engagement Ring
    Moissanite 3.00 CT Three Stone Emerald Cut Diamond Engagement Ring
    Moissanite 3.00 CT Three Stone Emerald Cut Diamond Engagement Ring
    From $2,444.65
    From $2,444.65
    New
  • Moissanite 3.00CT Cushion Cut Diamond Solitaire Engagement Ring | Promise Ring
    Moissanite 3.00CT Cushion Cut Diamond Solitaire Engagement Ring | Promise Ring
    Moissanite 3.00CT Cushion Cut Diamond Solitaire Engagement Ring | Promise Ring
    Moissanite 3.00CT Cushion Cut Diamond Solitaire Engagement Ring | Promise Ring
    From $255.28
    From $255.28
    New
  • Moissanite 2.90 CT Oval Diamond Mid-Century Engagement Ring
    Moissanite 2.90 CT Oval Diamond Mid-Century Engagement Ring
    Moissanite 2.90 CT Oval Diamond Mid-Century Engagement Ring
    Moissanite 2.90 CT Oval Diamond Mid-Century Engagement Ring
    From $409
    From $409
  • Moissanite 2.90CT Radiant Diamond Art Deco Unique Engagement Ring - IBIZ Jewel
    Moissanite 2.90CT Radiant Diamond Art Deco Unique Engagement Ring - IBIZ Jewel
    Moissanite 2.90CT Radiant Diamond Art Deco Unique Engagement Ring - IBIZ Jewel
    Moissanite 2.90CT Radiant Diamond Art Deco Unique Engagement Ring
    From $409
    $839
    From $409
  • Moissanite 2.91CT Pear Diamond Edwardian Engagement Ring
    Moissanite 2.91CT Pear Diamond Edwardian Engagement Ring
    Moissanite 2.91CT Pear Diamond Edwardian Engagement Ring
    Moissanite 2.91CT Pear Diamond Edwardian Engagement Ring
    From $407
    From $407
  • Moissanite 2.92 CT Asscher Diamond Boho Engagement Ring
    Moissanite 2.92 CT Asscher Diamond Boho Engagement Ring
    Moissanite 2.92 CT Asscher Diamond Boho Engagement Ring
    Moissanite 2.92 CT Asscher Diamond Boho Engagement Ring
    From $407
    From $407

A diamond 3 carat engagement ring carries a presence that feels immediate. The size, the light, and the way it sits on the hand give it a distinct character that’s hard to overlook. It’s a choice that leans toward confidence and clarity rather than subtlety.

3 Carat Diamond Ring Collection

Every 3 carat diamond engagement ring in this collection is selected for balance and proportion. The relationship between the stone and the setting is carefully considered, so the final piece feels complete from every angle.

You’ll find rings that range from minimal to more detailed designs, all built around the same idea.

Diamond Shapes in 3 Carat Rings

The shape of a diamond 3 carat engagement ring changes how it appears on the hand.

  • Round – consistent brilliance and symmetry

  • Oval – slightly elongated with a softer outline

  • Cushion – fuller shape with rounded edges

  • Emerald – clean, structured lines

  • Pear & Marquise – more defined silhouettes with a longer appearance

Solitaire Focused Designs

Some of the most striking pieces in this collection are built around simplicity. A single diamond, placed with precision, creates a look that feels complete without added elements.

You can explore more variations in our Solitaire Engagement Rings collection, where the focus remains entirely on the center stone.

FAQS

  1. How much does a diamond 3 carat engagement ring cost?

    The price depends on the diamond’s cut, color, clarity and whether it is natural or lab-grown, along with the setting style and metal.

  2. Does a diamond 3 carat engagement ring look the same in every shape?

    No, different shapes change the visual size. Elongated shapes like oval or marquise tend to appear larger than round diamonds of the same weight

  3. Is a diamond 3 carat engagement ring suitable for daily wear?

    It can be worn daily, especially when paired with a secure setting and a design that sits comfortably on the hand.

  4. Are lab grown diamonds available in 3 carat rings?

    Yes, both natural and lab-grown diamonds are available in this carat range.

  5. Can I customize a diamond 3 carat engagement ring?

    Most rings can be adjusted in terms of metal, setting, and small design details.

  6. Which setting works best for a 3 carat diamond?

    Solitaire and halo settings are commonly chosen because they keep the diamond visible while supporting its overall appearance.