Engagement Rings with 0,30 - 0,50 ct Diamonds

518 Products

  • gold-ring-with-0-30ct-lab-diamond-w0581-ldw-01 gold-ring-with-0-30ct-lab-diamond-w0581-ldw-01
    ◇ 0.30ct
    Regular price 646,00 € Tax included
  • White Gold engagement ring with Round 0.40 ct Lab-grown Diamond by GREMARI, 14K (585) gold White Gold engagement ring with Round 0.40 ct Lab-grown Diamond - GREMARI fine jewelry
    ◇ 0.40ct
    Regular price 949,00 € Tax included
  • Rose Gold 14K (585) Engagement Ring - Gremari Seven Icon with 0,30ct Lab Grown Diamond, Pear Cut Rose Gold 14K (585) Engagement Ring - Gremari Seven Icon with 0,30ct Lab Grown Diamond, Pear Cut
    ◇ 0.30ct
    -15%
    Regular price 924,00 € Tax included
    Regular price 1.087,00 € Sale price 924,00 €
    Tax included
  • Yellow Gold 14K (585) Engagement Ring - Gremari Seven Grace with 0,30ct Lab Grown Diamond, Pear Cut Yellow Gold 14K (585) Engagement Ring - Gremari Seven Grace with 0,30ct Lab Grown Diamond, Pear Cut
    ◇ 0.30ct
    -15%
    Regular price 820,00 € Tax included
    Regular price 965,00 € Sale price 820,00 €
    Tax included
  • Yellow Gold 14K (585) Engagement Ring - Gremari Seven Icon with 0,50ct Diamond, Pear Cut 14K yellow gold GREMARI Seven Icon ring with 0.50 ct pear-cut natural diamond
    ◇ 0.50ct
    -10%
    Regular price 2.749,00 € Tax included
    Regular price 3.054,00 € Sale price 2.749,00 €
    Tax included
  • Gold Rings

    Gremari

    Discover The Collection
  • 14k Gold (585) Ring | 0.50ct & 0.18ct Lab Diamonds | Jewelry Gift 14k Gold (585) Ring | 0.50ct & 0.18ct Lab Diamonds | Jewelry Gift
    ◇ 0.50ct
    Regular price 937,00 € Tax included
  • gold-ring-with-0-50ct-diamond-and-0-06ct-sideline-diamonds-w0547-diw-02 gold-ring-with-0-50ct-diamond-and-0-06ct-sideline-diamonds-w0547-diw-02
    ◇ 0.50ct
    Regular price 1.987,00 € Tax included
  • White Gold Vintage-Style Ring with Lab-Grown Diamonds 0,50 ct and 0.339 ct White Gold Vintage-Style Ring with Lab-Grown Diamonds 0,50 ct and 0.339 ct
    ◇ 0.50ct
  • Yellow Gold Ring with Round 0,50ct Central and 0,613ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,50ct Central and 0,613ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 2.224,00 € Tax included
    Regular price 2.617,00 € Sale price 2.224,00 €
    Tax included
  • Yellow Gold Ring with Round 0,40ct Central and 0,613ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,40ct Central and 0,613ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 2.158,00 € Tax included
    Regular price 2.539,00 € Sale price 2.158,00 €
    Tax included
  • White Gold Ring with Round 0,50ct Central and 0,613ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,50ct Central and 0,613ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 2.224,00 € Tax included
    Regular price 2.617,00 € Sale price 2.224,00 €
    Tax included
  • White Gold Ring with Round 0,40ct Central and 0,613ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,40ct Central and 0,613ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 2.158,00 € Tax included
    Regular price 2.539,00 € Sale price 2.158,00 €
    Tax included
  • Yellow Gold Ring with Round 0,50ct Central and 0,28ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,50ct Central and 0,28ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.873,00 € Tax included
    Regular price 2.203,00 € Sale price 1.873,00 €
    Tax included
  • Yellow Gold Ring with Round 0,40ct Central and 0,28ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,40ct Central and 0,28ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -12%
    Regular price 1.759,00 € Tax included
    Regular price 1.988,00 € Sale price 1.759,00 €
    Tax included
  • White Gold Ring with Round 0,50ct Central and 0,28ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,50ct Central and 0,28ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.873,00 € Tax included
    Regular price 2.203,00 € Sale price 1.873,00 €
    Tax included
  • White Gold Ring with Round 0,40ct Central and 0,28ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,40ct Central and 0,28ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 1.690,00 € Tax included
    Regular price 1.988,00 € Sale price 1.690,00 €
    Tax included
  • Yellow Gold Ring with Round 0,50ct Central and 0,243ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,50ct Central and 0,243ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.258,00 € Tax included
    Regular price 1.480,00 € Sale price 1.258,00 €
    Tax included
  • Earrings

    Gremari

    Discover Collection
  • Yellow Gold Ring with Round 0,40ct Central and 0,243ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,40ct Central and 0,243ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 1.179,00 € Tax included
    Regular price 1.387,00 € Sale price 1.179,00 €
    Tax included
  • White Gold Ring with Round 0,50ct Central and 0,243ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,50ct Central and 0,243ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.258,00 € Tax included
    Regular price 1.480,00 € Sale price 1.258,00 €
    Tax included
  • White Gold Ring with Round 0,40ct Central and 0,243ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,40ct Central and 0,243ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 1.179,00 € Tax included
    Regular price 1.387,00 € Sale price 1.179,00 €
    Tax included
  • Yellow Gold engagement ring with Round 0.50 ct Central and 0.241 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Round 0.50 ct Central and 0.241 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.088,00 € Tax included
    Regular price 1.280,00 € Sale price 1.088,00 €
    Tax included
  • Yellow Gold engagement ring with Round 0.40 ct Central and 0.241 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Round 0.40 ct Central and 0.241 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.40ct
    -15%
    Regular price 1.046,00 € Tax included
    Regular price 1.230,00 € Sale price 1.046,00 €
    Tax included
  • White Gold engagement ring with Round 0.50 ct Central and 0.241 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Round 0.50 ct Central and 0.241 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.088,00 € Tax included
    Regular price 1.280,00 € Sale price 1.088,00 €
    Tax included
  • White Gold engagement ring with Round 0.40 ct Central and 0.241 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Round 0.40 ct Central and 0.241 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.40ct
    -15%
    Regular price 1.046,00 € Tax included
    Regular price 1.230,00 € Sale price 1.046,00 €
    Tax included
  • Yellow Gold Ring with Round 0,50ct Central and 0,20ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,50ct Central and 0,20ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.751,00 € Tax included
    Regular price 2.060,00 € Sale price 1.751,00 €
    Tax included
  • Yellow Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.817,00 € Tax included
    Regular price 2.138,00 € Sale price 1.817,00 €
    Tax included
  • Yellow Gold engagement ring with Princess 0.30 ct Central and 0.20 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Princess 0.30 ct Central and 0.20 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.30ct
    -15%
    Regular price 748,00 € Tax included
    Regular price 880,00 € Sale price 748,00 €
    Tax included
  • Yellow Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.617,00 € Tax included
    Regular price 1.902,00 € Sale price 1.617,00 €
    Tax included
  • White Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.751,00 € Tax included
    Regular price 2.060,00 € Sale price 1.751,00 €
    Tax included
  • White Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.817,00 € Tax included
    Regular price 2.138,00 € Sale price 1.817,00 €
    Tax included
  • White Gold engagement ring with Princess 0.30 ct Central and 0.20 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Princess 0.30 ct Central and 0.20 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.30ct
    -15%
    Regular price 748,00 € Tax included
    Regular price 880,00 € Sale price 748,00 €
    Tax included
  • White Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Round 0.50 ct Central and 0.20 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.617,00 € Tax included
    Regular price 1.902,00 € Sale price 1.617,00 €
    Tax included
  • Yellow Gold engagement ring with Oval 0.30 ct Central and 0.17 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Oval 0.30 ct Central and 0.17 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.30ct
    -15%
    Regular price 802,00 € Tax included
    Regular price 944,00 € Sale price 802,00 €
    Tax included
  • White Gold engagement ring with Oval 0.30 ct Central and 0.17 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Oval 0.30 ct Central and 0.17 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.30ct
    -15%
    Regular price 802,00 € Tax included
    Regular price 944,00 € Sale price 802,00 €
    Tax included
  • Yellow Gold engagement ring with Round 0.50 ct Central and 0.12 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Round 0.50 ct Central and 0.12 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.228,00 € Tax included
    Regular price 1.445,00 € Sale price 1.228,00 €
    Tax included
  • Yellow Gold engagement ring with Round 0.40 ct Central and 0.12 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Round 0.40 ct Central and 0.12 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.40ct
    -15%
    Regular price 1.161,00 € Tax included
    Regular price 1.366,00 € Sale price 1.161,00 €
    Tax included
  • Necklaces

    Gremari

    Discover Collection
  • White Gold engagement ring with Round 0.50 ct Central and 0.12 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold White Gold engagement ring with Round 0.50 ct Central and 0.12 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.228,00 € Tax included
    Regular price 1.445,00 € Sale price 1.228,00 €
    Tax included
  • White Gold Ring with Round 0,40ct Central and 0,12ct Sideline Lab-grown Diamonds White Gold engagement ring with Round 0.40 ct Central and 0.12 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold
    ◇ 0.40ct
    -15%
    Regular price 1.161,00 € Tax included
    Regular price 1.366,00 € Sale price 1.161,00 €
    Tax included
  • Yellow Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.003,00 € Tax included
    Regular price 1.180,00 € Sale price 1.003,00 €
    Tax included
  • Yellow Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.136,00 € Tax included
    Regular price 1.337,00 € Sale price 1.136,00 €
    Tax included
  • Yellow Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 930,00 € Tax included
    Regular price 1.094,00 € Sale price 930,00 €
    Tax included
  • Yellow Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds Yellow Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 1.028,00 € Tax included
    Regular price 1.209,00 € Sale price 1.028,00 €
    Tax included
  • White Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.003,00 € Tax included
    Regular price 1.180,00 € Sale price 1.003,00 €
    Tax included
  • White Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,50ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.50ct
    -15%
    Regular price 1.136,00 € Tax included
    Regular price 1.337,00 € Sale price 1.136,00 €
    Tax included
  • White Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 930,00 € Tax included
    Regular price 1.094,00 € Sale price 930,00 €
    Tax included
  • White Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds White Gold Ring with Round 0,40ct Central and 0,06ct Sideline Lab-grown Diamonds
    ◇ 0.40ct
    -15%
    Regular price 1.028,00 € Tax included
    Regular price 1.209,00 € Sale price 1.028,00 €
    Tax included
  • Yellow Gold engagement ring with Oval 0.50 ct Central and 0.05 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Oval 0.50 ct Central and 0.05 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.526,00 € Tax included
    Regular price 1.795,00 € Sale price 1.526,00 €
    Tax included
  • Bracelets

    Gremari

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  • Yellow Gold engagement ring with Oval 0.50 ct Central and 0.05 ct Sideline Lab-grown Diamonds by GREMARI, 14K (585) gold Yellow Gold engagement ring with Oval 0.50 ct Central and 0.05 ct Sideline Lab-grown Diamonds - GREMARI fine jewelry
    ◇ 0.50ct
    -15%
    Regular price 1.538,00 € Tax included
    Regular price 1.809,00 € Sale price 1.538,00 €
    Tax included

Engagement Rings with 0,30 - 0,50 ct Diamonds

Is a 0.50 carat diamond a good size for an engagement ring?

A diamond between 0.30 and 0.50 ct offers noticeably more presence than lower carat weights while still keeping the ring refined and easy to wear every day. At the upper end of the range, a half-carat engagement ring gives the centre stone a clear visual role without making the design feel overly bold.

For many couples, this makes 0.30–0.50 ct an appealing middle ground between a very understated diamond and a larger statement stone.

Which diamond shape works well at 0.30–0.50 ct?

Round diamonds are a classic choice for their balanced appearance and brilliance, while Oval and Pear can give the ring a more elongated, contemporary look.

The final effect depends on more than carat weight alone. Shape, proportions and the width of the band all influence how prominent the centre diamond appears on the hand.

Solitaire or side stones – which style should you choose?

A solitaire engagement ring keeps the focus firmly on the centre diamond and works particularly well in this carat range. A fine band can make the stone stand out even more.

If you prefer additional sparkle, subtle side stones or pavé details can add brilliance while keeping the centre diamond visually dominant.

At GREMARI, we create engagement rings in our traditional jewellery workshop with careful attention to the balance between the diamond, setting and proportions of the finished ring.