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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 New Jewellery

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74 Results

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  1. New 18ct Yellow Gold 0.52ct Diamond Solitaire Ring
    New 18ct Yellow Gold 0.52ct Diamond Solitaire Ring
    £1,125.00
    From £47.00 Per Month at 0.00% APR*
  2. New 18ct White Gold Total 0.61ct Diamond Solitaire Ring
    New 18ct White Gold Total 0.61ct Diamond Solitaire Ring
    £1,695.00
    From £70.74 Per Month at 0.00% APR*
  3. New 18ct Yellow Gold 0.53ct Diamond Solitaire Ring
    New 18ct Yellow Gold 0.53ct Diamond Solitaire Ring
    £995.00
    From £41.65 Per Month at 0.00% APR*
  4. New 18ct White Gold 0.34ct Princess Diamond 3 Stone Trilogy Ring
    New 18ct White Gold 0.34ct Princess Diamond 3 Stone Trilogy Ring
    £650.00
    From £27.16 Per Month at 0.00% APR*
  5. New 18ct White Gold 0.80ct Diamond Stud Earrings
    New 18ct White Gold 0.80ct Diamond Stud Earrings
    £1,425.00
    From £59.49 Per Month at 0.00% APR*
  6. New 18ct Yellow Gold 0.50ct Diamond 3 Stone Trilogy Ring
    New 18ct Yellow Gold 0.50ct Diamond 3 Stone Trilogy Ring
    £795.00
    From £33.25 Per Month at 0.00% APR*
  7. New 18ct Yellow Gold 0.50ct Diamond Solitaire Pendant & Necklace
    New 18ct Yellow Gold 0.50ct Diamond Solitaire Pendant & Necklace
    £995.00
    From £41.65 Per Month at 0.00% APR*
  8. New 18ct White Gold 0.60 Carat Diamond Solitaire Ring
    New 18ct White Gold 0.60 Carat Diamond Solitaire Ring
    £1,095.00
    From £45.75 Per Month at 0.00% APR*
  9. New 18ct White Gold 0.75ct Diamond Cluster Ring
    New 18ct White Gold 0.75ct Diamond Cluster Ring
    £950.00
    From £39.67 Per Month at 0.00% APR*
  10. New 18ct White Gold 0.67 Carat Diamond Solitaire Ring
    New 18ct White Gold 0.67 Carat Diamond Solitaire Ring
    £1,395.00
    From £58.24 Per Month at 0.00% APR*
  11. New 18ct White Gold 1.50ct Princess Cut Diamond Stud Earrings
    New 18ct White Gold 1.50ct Princess Cut Diamond Stud Earrings
    £2,225.00
    From £92.90 Per Month at 0.00% APR*
  12. New 18ct White Gold 0.96ct Diamond Solitaire Engagement Ring
    New 18ct White Gold 0.96ct Diamond Solitaire Engagement Ring
    £2,250.00
    From £93.75 Per Month at 0.00% APR*
  13. New 18ct White Gold Marquise Cut Diamond Solitaire Ring
    New 18ct White Gold Marquise Cut Diamond Solitaire Ring
    £1,495.00
    From £62.33 Per Month at 0.00% APR*
  14. New 18ct White Gold 1.59 Carat Diamond Trilogy Ring
    New 18ct White Gold 1.59 Carat Diamond Trilogy Ring
    £5,295.00
    From £220.74 Per Month at 0.00% APR*
  15. New 18ct Gold 1.02ct Diamond Solitaire Ring With 0.30ct Mount
    New 18ct Gold 1.02ct Diamond Solitaire Ring With 0.30ct Mount
    £2,995.00
    From £124.83 Per Month at 0.00% APR*
  16. New 18ct White Gold 0.34ct Diamond Trilogy 3 Stone Ring
    New 18ct White Gold 0.34ct Diamond Trilogy 3 Stone Ring
    £695.00
    From £29.15 Per Month at 0.00% APR*
  17. New 18ct White Gold 1.42 Carat Diamond Solitaire Ring
    New 18ct White Gold 1.42 Carat Diamond Solitaire Ring
    £8,495.00
    From £354.15 Per Month at 0.00% APR*
  18. New 18ct White Gold 0.43 Carat Diamond Halo Cluster Ring
    New 18ct White Gold 0.43 Carat Diamond Halo Cluster Ring
    £995.00
    From £41.65 Per Month at 0.00% APR*
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  1. Material
    18ct gold
  2. Gemstone
    Diamond
  3. Condition
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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.