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Round Brilliant Cut Diamond Eternity Rings

If you or your other half adore our round brilliant diamonds' beautifully polished soft aesthetic, our collection is ideal for you. Our stunning round brilliant cut diamond eternity rings offer the perfect way to symbolise your love. They showcase an unbroken band of exquisite diamonds for a truly timeless jewellery piece. Explore round brilliant cut diamond eternity rings in various metal types, including yellow gold, white gold, rose gold and platinum, or discover our other diamond shapes, such as princess, emerald and baguette.

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  • Reference: 5218143
    • New or Pre Owned: Pre Owned
    • Gender: Ladies
    • Metal Weight: 3.00
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Diamond Clarity: SI1/2
    • Diamond Colour: I/J
    • Total Diamond Weight: 0.10ct
    • Ring Size: K
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    • I/J
    • SI1/2
    £249
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  • Reference: 6809018
    • New or Pre Owned: Pre Owned
    • Gender: Ladies
    • Ring Style: Eternity Ring
    • Ring Size: R½
    • Metal Weight: 5.50
    • Material: 9ct White Gold
    • Gold Colour: White Gold
    • Diamond Clarity: SI1/2
    • Diamond Colour: I/J
    • Total Diamond Weight: 0.25
    • Main Diamond Weight: 0.00625
    • Diamond Creation: Natural
    Item in Stock   |   Usually dispatched within 24 hours
    • 9ct White Gold
    • I/J
    • SI1/2
    • Natural
    £375
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  • Reference: 0974001
    • New or Pre Owned: New
    • Gender: Ladies
    • Metal Weight: 1.2g
    • Material: 9ct Yellow Gold
    • Gold Colour: Yellow Gold
    • Ring Size: M
    • Ring Style: Eternity Ring
    • Diamond Clarity: SI1/2
    • Diamond Colour: H/I
    • Total Diamond Weight: 0.25ct
    Item in Stock   |   Usually dispatched within 24 hours
    • 9ct Yellow Gold
    • H/I
    • SI1/2
    £375
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  • Reference: 1824009
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: Blue Topaz
    • Stone Colour: Pale blue
    • Birthstone: November
    • Stone Weights: 0.30
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £399
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  • Reference: 1824018
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Stone: Blue Topaz
    • Stone Colour: Pale Blue
    • Birthstone: November
    • Stone Weights: 0.33
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    £399
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  • Reference: 1824028
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.40
    • Gold Colour: Rose Gold
    • Material: 18ct Rose Gold
    • Stone: Topaz
    • Stone Colour: Blue
    • Birthstone: November
    • Stone Weights: 0.31ct
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Rose Gold
    £405
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  • Reference: 1824014
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Eternity Ring
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Stone: Garnet
    • Stone Colour: Red
    • Birthstone: January
    • Stone Weights: 0.36
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    £419
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  • Reference: 1824008
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.60
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: Peridot
    • Stone Colour: Pale Green
    • Birthstone: August
    • Stone Weights: 0.29
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £419
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  • Reference: 1824007
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: Citrine
    • Stone Colour: Yellow
    • Birthstone: November
    • Stone Weights: 0.21
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £419
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  • Reference: 1824006
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: Amethyst
    • Stone Colour: Purple
    • Birthstone: February
    • Stone Weights: 0.22
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £419
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  • Reference: 1824005
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.60
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: Garnet
    • Stone Colour: Red
    • Birthstone: January
    • Stone Weights: 0.36
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £419
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  • Reference: 1824015
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Stone: Amethyst
    • Stone Colour: Purple
    • Birthstone: February
    • Stone Weights: 0.21
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    £419
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  • Reference: 1824017
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Stone: Peridot
    • Stone Colour: Pale Green
    • Birthstone: August
    • Stone Weights: 0.29
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    £419
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  • Reference: 1824016
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Stone: Citrine
    • Stone Colour: Yellow
    • Birthstone: November
    • Stone Weights: 0.20
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    £419
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  • Reference: 5118058
    • New or Pre Owned: Pre Owned
    • Gender: Ladies
    • Metal Weight: 1.90
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Diamond Clarity: VS1/2
    • Diamond Colour: H/I
    • Main Diamond Weight: 0.0333
    • Total Diamond Weight: 0.30
    • Ring Size: J
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    • H/I
    • VS1/2
    £425
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  • Reference: 1824010
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: Pink Tourmaline
    • Stone Colour: Pink
    • Birthstone: October
    • Stone Weights: 0.30
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £429
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  • Reference: 1824029
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.40
    • Gold Colour: Rose Gold
    • Material: 18ct Rose Gold
    • Stone: Tourmaline
    • Stone Colour: Pink
    • Birthstone: October
    • Stone Weights: 0.30
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Rose Gold
    £429
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  • Reference: 1824019
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Stone: Pink Tormaline
    • Stone Colour: Pink
    • Birthstone: October
    • Stone Weights: 0.32
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    £429
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  • Reference: 5219039
    • New or Pre Owned: Pre Owned
    • Gender: Ladies
    • Metal Weight: 3.50
    • Material: 950 Platinum
    • Diamond Clarity: SI1/2
    • Diamond Colour: I/J
    • Total Diamond Weight: 0.32ct
    • Ring Size: H
    • Ring Style: Eternity Ring
    Item in Stock   |   Usually dispatched within 24 hours
    • I/J
    • SI1/2
    £449
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  • Reference: 5119034
    • New or Pre Owned: Pre Owned
    • Gender: Ladies
    • Metal Weight: 3.10
    • Material: 950 Platinum
    • Diamond Clarity: SI1/2
    • Diamond Colour: G/H
    • Main Diamond Weight: 0.02
    • Total Diamond Weight: 0.25
    • Ring Size: I
    Item in Stock   |   Usually dispatched within 24 hours
    • G/H
    • SI1/2
    £450
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  • Reference: 0915026
    • New or Pre Owned: New
    • Gender: Ladies
    • Metal Weight: 2.80
    • Ring Style: Half Eternity
    • Ring Size: M
    • Gold Colour: Yellow Gold
    • Material: 9ct Yellow Gold
    • Diamond Clarity: P1/2
    • Diamond Colour: H/I
    • Total Diamond Weight: 0.33
    • Diamond Creation: Natural
    Item in Stock   |   Usually dispatched within 24 hours
    • 9ct Yellow Gold
    • H/I
    • P1/2
    • Natural
    £475
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  • Reference: 1823020
    • New or Pre Owned: New
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.40
    • Birthstone: July
    • Stone Colour: Pink
    • Stone: Ruby
    • Gender: Ladies
    • Gold Colour: White Gold
    • Material: 18ct White Gold
    • Stone Weights: 0.29
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct White Gold
    £489
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  • Reference: 1824001
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: RUBY
    • Stone Colour: RED
    • Birthstone: July
    • Stone Weights: 0.29
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £489
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  • Reference: 1824004
    • New or Pre Owned: New
    • Gender: Ladies
    • Ring Style: Half Eternity
    • Ring Size: M
    • Metal Weight: 1.50
    • Gold Colour: Yellow Gold
    • Material: 18ct Yellow Gold
    • Stone: Pink Sapphire
    • Stone Colour: Pink
    • Birthstone: September
    • Stone Weights: 0.28
    Item in Stock   |   Usually dispatched within 24 hours
    • 18ct Yellow Gold
    £489
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ROUND BRILLIANT CUT DIAMOND ETERNITY RINGS AT MILTONS DIAMONDS

At Miltons Diamonds, we pride ourselves on offering the most beautiful round brilliant cut diamond eternity rings. These timeless pieces make the perfect gift for your other half, symbolising everlasting love. They feature a stunning band of exquisite diamonds in precious metals such as yellow gold, white gold and rose gold. With high-quality materials and expert craftsmanship, each piece is designed to be treasured for a lifetime.

EXPLORE OUR RANGE OF ROUND BRILLIANT CUT DIAMOND ETERNITY RINGS

The round brilliant cut diamonds used in our eternity rings create a classic aesthetic that is truly timeless. You’re guaranteed to fall in love with their sparkle as they ooze elegance and sophistication. Our collection of eternity rings also features other gemstone shapes, including princess, emerald and baguette, so that you can find the perfect option for your loved one. Browse the collection today to see what we have to offer.

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