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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.


Thanks to its gorgeous deep black colour, onyx jewellery creates the perfect statement. With the help of black onyx, you can really explore your darker side and add a sleek and mysterious finishing touch to any outfit.


Whether as a gift for loved one, a symbol of sophistication or gesture of style, pendants add a sense of personality to any necklace. 

At William May we have a huge variety of new and second hand pedants to suit any occasion or taste. From jewelled pendants, charms and lockets, whether in gold or silver, our collection provides the perfect selection to find the right pendant for you.

Diamond Onyx Pendants

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54 Results

Set Descending Direction
  1. Pre-Owned 9ct White Gold 0.50 Carat Diamond Cross Pendant
    Pre-Owned 9ct White Gold 0.50 Carat Diamond Cross Pendant
    £350.00
  2. Pre-Owned 9ct Gold 1.18ct Diamond Solitaire Pendant Necklace
    Pre-Owned 9ct Gold 1.18ct Diamond Solitaire Pendant Necklace
    £2,295.00
  3. New 9ct Gold Black & White Diamond Bumble Bee 18 Inch Necklace
    New 9ct Gold Black & White Diamond Bumble Bee 18 Inch Necklace
    £525.00
  4. New Sterling Silver Black Onyx Tear Shape Pendant & 18" Necklace
    New Sterling Silver Black Onyx Tear Shape Pendant & 18" Necklace
    £42.95
  5. New 9ct White Gold 0.10ct Diamond Pendant & 18" Necklace
    New 9ct White Gold 0.10ct Diamond Pendant & 18" Necklace
    Special Price £256.75 Regular Price £325.00
  6. New 9ct White Gold 0.13ct Diamond Heart Pendant & 18" Necklace
    New 9ct White Gold 0.13ct Diamond Heart Pendant & 18" Necklace
    £450.00
  7. New 9ct Gold 0.13ct Diamond Heart Pendant & 18" Chain Necklace
    New 9ct Gold 0.13ct Diamond Heart Pendant & 18" Chain Necklace
    £450.00
  8. New 9ct Yellow Gold Small Diamond Cross Pendant & 18" Chain
    New 9ct Yellow Gold Small Diamond Cross Pendant & 18" Chain
    £249.00
  9. New 9ct Yellow Gold 0.26ct Diamond Cluster Pendant & 18" Chain
    New 9ct Yellow Gold 0.26ct Diamond Cluster Pendant & 18" Chain
    £395.00
  10. New Sterling Silver Round Locket & 18" Diamond Tag Necklace
    New Sterling Silver Round Locket & 18" Diamond Tag Necklace
    £110.00
  11. New 9ct White & Rose Gold Diamond Lotus Flower 18 Inch Necklace
    New 9ct White & Rose Gold Diamond Lotus Flower 18 Inch Necklace
    Special Price £206.50 Regular Price £350.00
  12. New 9ct Yellow Gold Diamond Cross Pendant & 18" Chain Necklace
    New 9ct Yellow Gold Diamond Cross Pendant & 18" Chain Necklace
    £350.00
  13. New 9ct Yellow Gold Diamond Cluster Pendant & 18" Chain Necklace
    New 9ct Yellow Gold Diamond Cluster Pendant & 18" Chain Necklace
    £395.00
  14. New 9ct White Gold Princess Cut Diamond Pendant & 18" Necklace
    New 9ct White Gold Princess Cut Diamond Pendant & 18" Necklace
    £425.00
  15. New 9ct 2 Colour Gold Diamond Claddagh & 18" Chain Necklace
    New 9ct 2 Colour Gold Diamond Claddagh & 18" Chain Necklace
    £495.00
  16. New 9ct White Gold 0.25ct Diamond Pendant & 18" Chain Necklace
    New 9ct White Gold 0.25ct Diamond Pendant & 18" Chain Necklace
    £595.00
  17. New 18ct White Gold 1.00ct Diamond Solitaire Pendant & Necklace
    New 18ct White Gold 1.00ct Diamond Solitaire Pendant & Necklace
    Special Price £2,618.55 Regular Price £3,795.00
  18. Pre-Owned 9ct Yellow Gold Diamond Set £ Sign Pendant
    Pre-Owned 9ct Yellow Gold Diamond Set £ Sign Pendant
    £189.00
  19. New 9ct Yellow Gold 0.15ct Diamond Heart & 18" Chain Necklace
    New 9ct Yellow Gold 0.15ct Diamond Heart & 18" Chain Necklace
    £425.00
  20. Pre-Owned 9ct Gold Diamond Set £ Sign Pendant
    Pre-Owned 9ct Gold Diamond Set £ Sign Pendant
    £185.00
  21. Pre-Owned 9ct Yellow Gold 2 Part Diamond Cross Pendant
    Pre-Owned 9ct Yellow Gold 2 Part Diamond Cross Pendant
    £295.00
  22. New 9ct White Gold Diamond Open Heart Pendant & 18" Chain
    New 9ct White Gold Diamond Open Heart Pendant & 18" Chain
    £375.00
  23. Pre-Owned 18ct Gold 1.55ct Diamond Solitaire Pendant Necklace
    Pre-Owned 18ct Gold 1.55ct Diamond Solitaire Pendant Necklace
    £5,295.00
  24. New 9ct Yellow Gold 0.10ct Diamond Cluster & 18" Necklace
    New 9ct Yellow Gold 0.10ct Diamond Cluster & 18" Necklace
    £199.00
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  1. Gemstone
    Diamond
  2. Gemstone
    Onyx
Clear
Category
  1. Necklaces 44
  2. Pendants 10
Price
£
-
Diamond Carat Range
  1. 0.00ct - 0.09ct 12
  2. 0.10ct - 0.24ct 16
  3. 0.25ct - 0.49ct 12
  4. 0.50ct - 0.74ct 2
  5. 0.75ct - 0.99ct 1
  6. 1.00ct - 1.49ct 3
  7. 1.50ct - 1.99ct 2
Diamond Clarity
  1. VS1-VVS2 1
  2. SI 6
  3. SI2 1
  4. I 2
  5. I1-I2 5
  6. I1 4
  7. I3 1
Diamond Colour
  1. G-H 2
  2. H 1
  3. H - I 5
  4. I - L 8
  5. L/M 2
  6. M 1
  7. Tinted 1
Link Style
  1. Curb 13
  2. Belcher 2
  3. Prince of Wales 2
  4. Trace 2
Pendant Style
  1. Gemstone Set 2
  2. Diamond Set 42
  3. Religious 6
  4. Locket 2
Length (Approx)
  1. 405mm(16") 3
  2. 455mm(18") 38
  3. 470mm (18.5") 1
  4. 505mm(20") 1
  5. 610mm(24") 1
Link Width (mm)
  1. 0.5mm 2
  2. 1mm 20
Material
  1. 9ct gold 39
  2. 14ct gold 1
  3. 18ct gold 11
  4. Silver 2
  5. Platinum 1
Gold Colour
  1. Yellow Gold 20
  2. White Gold 21
  3. Yellow & White Gold 9
  4. White & Rose Gold 1
  5. N/A 1
Gemstone
  1. Sardonyx
  2. Synthetic Moonstone
  3. Diamond
  4. Emerald
  5. Garnet
  6. Opal
  7. Pearl
  8. Sapphire
  9. Onyx
  10. Ruby
  11. Tanzanite
  12. Topaz
  13. Agate
  14. Amber
  15. Amethyst
  16. Aquamarine
  17. Blue Topaz
  18. Carnelian
  19. Chalcedony
  20. Citrine
  21. Cubic Zirconia
  22. Cultured Opal
  23. Labradorite
  24. Lapis Lazuli
  25. Malachite
  26. Mother of Pearl
  27. Multi-Stone
  28. Peridot
  29. Rose Quartz
  30. Simulated Pearl
  31. Synthetic Opal
  32. Tigers Eye
  33. Tourmaline
  34. Turquoise
Gemstone Colour
  1. White 15
  2. Black 1
Brand
  1. Tiffany & Co 1
Condition
  1. New 29
  2. Pre-Owned 25
Gender
  1. For Her 50
  2. Unisex 4

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