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Trilogy Engagement Rings

9ct Gold Diamond Trilogy Engagement Rings

Explore our full collection of new diamond trilogy engagement rings, available in white gold, yellow gold or platinum across a wide range of styles and designs.

All of our new diamond trilogy engagement rings come with a certificate of authenticity and an official UK hallmark stamp, with all rings benefiting from an insurance valuation too. 

All Diamond Trilogy Engagement Rings With Free UK Delivery

Get FREE UK delivery on all purchases over £100 and a 30-day guarantee. We also offer a 0% Finance option on all rings over £560, delivered through our partnership with Novuna Consumer Finance.

We strive to offer first-class customer service both online and in our London store; if you have any questions about your order don’t hesitate to call or message our team.

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Items 1-24 of 27

Set Descending Direction
  1. 9ct Yellow Gold Baguette Cut 0.11ct Diamond & 0.60ct Ruby Ring
    9ct Yellow Gold Baguette Cut 0.11ct Diamond & 0.60ct Ruby Ring

    Starting at £720.00

    From £8.00 per month

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  2. 18ct White Gold 0.15ct Diamond & 1.50ct Sapphire Ring
    18ct White Gold 0.15ct Diamond & 1.50ct Sapphire Ring
    RRP: £2,270.00 £1,760.00

    From £19.00 per month

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  3. 9ct White Gold 0.50ct Diamond Trilogy Ring
    9ct White Gold 0.50ct Diamond Trilogy Ring

    Starting at £1,675.00

    From £18.00 per month

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  4. 9ct White Gold 0.50ct Diamond Trilogy Ring
    9ct White Gold 0.50ct Diamond Trilogy Ring

    Starting at £1,530.00

    From £16.00 per month

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  5. 18ct White Gold 0.50ct Princess Cut Diamond Trilogy Ring
    18ct White Gold 0.50ct Princess Cut Diamond Trilogy Ring
    RRP: £3,000.00 £2,330.00

    From £25.00 per month

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  6. 18ct White Gold 0.33ct Diamond Classic Trilogy Ring
    18ct White Gold 0.33ct Diamond Classic Trilogy Ring
    RRP: £1,420.00 £1,135.00

    From £12.00 per month

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  7. Platinum 1.00ct Diamond Brilliant Cut Trilogy Ring
    Platinum 1.00ct Diamond Brilliant Cut Trilogy Ring
    RRP: £6,460.00 £4,845.00

    From £51.00 per month

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  8. IN SALE!
    9ct Yellow Gold Baguette Cut 0.11ct Diamond & 0.60ct Blue Sapphire Ring
    Use Code: DIAMOND for 20% Off
    9ct Yellow Gold Baguette Cut 0.11ct Diamond & 0.60ct Blue Sapphire Ring

    Starting at £750.00

    From £8.00 per month

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  9. 9ct Yellow Gold 0.18ct Diamond & 0.90ct Sapphire Cluster Ring
    9ct Yellow Gold 0.18ct Diamond & 0.90ct Sapphire Cluster Ring

    Starting at £925.00

    From £10.00 per month

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  10. 18ct Yellow Gold 0.50ct Diamond Trilogy Ring
    18ct Yellow Gold 0.50ct Diamond Trilogy Ring
    RRP: £2,150.00 £1,665.00

    From £18.00 per month

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  11. IN SALE!
    18ct White Gold 1.00ct Diamond Trilogy Certified Engagement Ring
    Use Code: DIAMOND for 20% Off
    18ct White Gold 1.00ct Diamond Trilogy Certified Engagement Ring

    Starting at £4,650.00

    From £49.00 per month

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  12. 18ct White Gold 0.50ct Trilogy with Diamond Shoulders Ring
    18ct White Gold 0.50ct Trilogy with Diamond Shoulders Ring

    Starting at £2,045.00

    From £22.00 per month

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  13. 9ct White Gold Illusion Clusters Trilogy 0.25ct Diamond Ring
    9ct White Gold Illusion Clusters Trilogy 0.25ct Diamond Ring
    RRP: £1,210.00 £965.00

    From £11.00 per month

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  14. 9ct White Gold 0.11ct Diamond Baguette & 0.48ct Tanzanite Ring
    9ct White Gold 0.11ct Diamond Baguette & 0.48ct Tanzanite Ring
    RRP: £960.00 £770.00

    From £9.00 per month

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  15. 18ct White Gold 1.00ct Diamond Set Trilogy - Shoulder Set Ring
    18ct White Gold 1.00ct Diamond Set Trilogy - Shoulder Set Ring
    RRP: £6,100.00 £4,575.00

    From £48.00 per month

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  16. IN SALE!
    9ct Yellow Gold 0.33ct Diamond Trilogy Ring
    Use Code: DIAMOND for 20% Off
    9ct Yellow Gold 0.33ct Diamond Trilogy Ring

    Starting at £870.00

    From £10.00 per month

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  17. Platinum 0.50ct Brilliant Cut Diamond Trilogy Ring
    Platinum 0.50ct Brilliant Cut Diamond Trilogy Ring

    Starting at £1,850.00

    From £20.00 per month

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  18. 18ct White Gold 0.70ct Diamond Trilogy Engagement Ring
    18ct White Gold 0.70ct Diamond Trilogy Engagement Ring

    Starting at £2,945.00

    From £31.00 per month

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  19. 18ct White Gold 0.50ct 5 Stone Diamond Eternity Ring
    18ct White Gold 0.50ct 5 Stone Diamond Eternity Ring
    RRP: £2,340.00 £1,815.00

    From £19.00 per month

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  20. 9ct White Gold 0.04ct Diamond & 2.30ct Amethyst Ring
    9ct White Gold 0.04ct Diamond & 2.30ct Amethyst Ring
    RRP: £710.00 £565.00

    From £6.00 per month

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  21. 9ct White Gold 0.30ct Diamond Trilogy Ring
    9ct White Gold 0.30ct Diamond Trilogy Ring

    Starting at £870.00

    From £10.00 per month

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  22. 18ct White Gold 0.50ct Diamond Brilliant Trilogy Ring
    18ct White Gold 0.50ct Diamond Brilliant Trilogy Ring
    RRP: £2,220.00 £1,725.00

    From £18.00 per month

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  23. 18ct Yellow Gold 0.33ct Diamond Classic Trilogy Ring
    18ct Yellow Gold 0.33ct Diamond Classic Trilogy Ring
    RRP: £1,480.00 £1,185.00

    From £13.00 per month

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  24. Out of stock
    18ct White Gold Princess Cut 0.20ct Diamond & 0.50ct Tanzanite Ring
    18ct White Gold Princess Cut 0.20ct Diamond & 0.50ct Tanzanite Ring
    RRP: £1,840.00 £1,470.00
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Items 1-24 of 27

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