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A hand-crafted piece of diamond jewellery is a timeless addition... Read More to any jewellery box. A symbol of love, eternity and sophistication, there’s simply no better way of expressing your feelings than with a piece of diamond jewellery.


FROM sparkling diamond earrings, elegant golden bands and draped silver necklaces, our extensive range of jewellery offers a vast selection of exquisite designs and timeless beauty.

Made for any style or taste, our collection has been selected for its high quality and unique design aesthetics, providing splendour and elegance for you and your loved ones. Browse our pre-owned jewellery collection here.

18ct gold Diamond Jewellery

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65 Results

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  1. Pre-Owned 18ct White Gold Mixed Cut Diamond Multi Row Ring
    Pre-Owned 18ct White Gold Mixed Cut Diamond Multi Row Ring
    £1,495.00
    From £62.33 Per Month at 0.00% APR*
  2. Pre-Owned 18ct White Gold Mixed Cut Diamond Wishbone Ring
    Pre-Owned 18ct White Gold Mixed Cut Diamond Wishbone Ring
    £259.00
  3. Pre-Owned 18ct Yellow Gold 0.90 Carat Diamond Set 5mm Band Ring
    Pre-Owned 18ct Yellow Gold 0.90 Carat Diamond Set 5mm Band Ring
    £925.00
    From £38.58 Per Month at 0.00% APR*
  4. Pre-Owned 18ct Yellow Gold 0.50 Carat Diamond Cluster Ring
    Pre-Owned 18ct Yellow Gold 0.50 Carat Diamond Cluster Ring
    £575.00
    From £24.15 Per Month at 0.00% APR*
  5. Pre-Owned 18ct Yellow Gold 0.30 Carat Diamond Cluster Ring
    Pre-Owned 18ct Yellow Gold 0.30 Carat Diamond Cluster Ring
    £289.00
    From £12.08 Per Month at 0.00% APR*
  6. Pre-Owned 18ct Yellow Gold 0.50 Carat Diamond Cluster Ring
    Pre-Owned 18ct Yellow Gold 0.50 Carat Diamond Cluster Ring
    £475.00
    From £19.84 Per Month at 0.00% APR*
  7. Pre-Owned 18ct Yellow Gold 0.75 Carat Diamond Cluster Ring
    Pre-Owned 18ct Yellow Gold 0.75 Carat Diamond Cluster Ring
    £575.00
    From £24.15 Per Month at 0.00% APR*
  8. Pre-Owned 18ct White Gold 0.66 Carat Diamond Cluster Ring
    Pre-Owned 18ct White Gold 0.66 Carat Diamond Cluster Ring
    £575.00
    From £24.15 Per Month at 0.00% APR*
  9. Pre-Owned 18ct White Gold Diamond Set Full Eternity Band Ring
    Pre-Owned 18ct White Gold Diamond Set Full Eternity Band Ring
    £825.00
    From £34.50 Per Month at 0.00% APR*
  10. Pre-Owned 18ct White Gold 1.00 Carat Diamond Halo Cluster Ring
    Pre-Owned 18ct White Gold 1.00 Carat Diamond Halo Cluster Ring
    £995.00
    From £41.65 Per Month at 0.00% APR*
  11. Pre-Owned 18ct White Gold 1.33 Carat Diamond Pendant Necklace
    Pre-Owned 18ct White Gold 1.33 Carat Diamond Pendant Necklace
    £2,495.00
    From £104.15 Per Month at 0.00% APR*
  12. Pre-Owned 18ct White Gold 0.40 Carat Diamond Halo Cluster Ring
    Pre-Owned 18ct White Gold 0.40 Carat Diamond Halo Cluster Ring
    £495.00
    From £20.74 Per Month at 0.00% APR*
  13. Pre-Owned 18ct White Gold Diamond Solitaire & Shoulders Ring
    Pre-Owned 18ct White Gold Diamond Solitaire & Shoulders Ring
    £549.00
    From £22.99 Per Month at 0.00% APR*
  14. Pre-Owned 18ct Yellow Gold 1.00 Carat Diamond Cluster Ring
    Pre-Owned 18ct Yellow Gold 1.00 Carat Diamond Cluster Ring
    £625.00
    From £26.09 Per Month at 0.00% APR*
  15. Pre-Owned 18ct Gold 1.00ct Diamond Solitaire & Shoulders Ring
    Pre-Owned 18ct Gold 1.00ct Diamond Solitaire & Shoulders Ring
    £2,295.00
    From £95.74 Per Month at 0.00% APR*
  16. Pre-Owned 18ct Gold Diamond Solitaire & Shoulders Twist Ring
    Pre-Owned 18ct Gold Diamond Solitaire & Shoulders Twist Ring
    £649.00
    From £27.09 Per Month at 0.00% APR*
  17. Pre-Owned 18ct Gold 0.75 Carat Mixed Cut Diamond Dress Ring
    Pre-Owned 18ct Gold 0.75 Carat Mixed Cut Diamond Dress Ring
    £595.00
    From £24.84 Per Month at 0.00% APR*
  18. Pre-Owned 18ct Gold 0.50 Carat Diamond Set Wave Dress Ring
    Pre-Owned 18ct Gold 0.50 Carat Diamond Set Wave Dress Ring
    £469.00
    From £19.59 Per Month at 0.00% APR*
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  1. Material
    18ct gold
  2. Gemstone
    Diamond
  3. Number of Stones
    8+
Clear
Link Width (mm)
  1. Up to 5mm 2
Categories
  1. Rings 62
  2. Necklaces 2
Material
  1. 18ct gold 65
Gold Colour
  1. Yellow Gold 20
  2. White Gold 44
Gemstone
  1. Diamond 65
Gemstone Colour
  1. White 28
Condition
  1. Pre-Owned 64
Diamond Carat Range
  1. 0.25ct - 0.49ct 13
  2. 0.50ct - 0.74ct 22
  3. 0.75ct - 0.99ct 12
  4. 1.00ct - 1.49ct 13
  5. 1.50ct - 1.99ct 3
Diamond Clarity
  1. VS1 2
  2. SI - VS 3
  3. SI 11
  4. SI1 3
  5. SI2 6
  6. I 2
  7. I1-I2 2
  8. I1 10
  9. I3 2
Diamond Colour
  1. D - H 4
  2. F-G 2
  3. G 2
  4. G-H 8
  5. H - I 5
  6. I - L 18
Diamond Cut
  1. Brilliant 45
  2. Mixed 8
  3. Oval 2
  4. Princess 6
Gender
  1. For Her 63
Number of Stones
  1. 8+ 65
Setting Style
  1. Bead 4
  2. Pave 2
  3. Tension 6
  4. Mixed 22
  5. Claw 26
Price
£
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Finance is provided by Omni Capital Retail Finance Ltd which is a credit provider/lender. William May Jewellers does not receive payment for introducing customers to Omni Capital Retail Finance. Omni Capital Retail Finance Ltd finance options are subject to individual status; terms and conditions apply. Omni Capital Retail Finance Ltd is registered in England and Wales with company number 7232938. Registered address: 10 Norwich Street, London, EC4A 1BD.

Authorised and regulated by the Financial Conduct Authority, Firm Reference Number: FCA0123456.

PayPal Credit and PayPal Pay in 3 are trading names of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH. PayPal Credit: Terms and conditions apply. Credit subject to status, UK residents only, OFRISCATE LIMITED acts as a broker and offers finance from a restricted range of finance providers. PayPal Pay in 3 is not regulated by the Financial Conduct Authority. Pay in 3 eligibility is subject to status and approval. 18+. UK residents only. Pay in 3 is a an unregulated credit agreement. Check if affordable and how you will repay. May make other borrowing more difficult or expensive. See product terms for more details.