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Check out these collections.

Allum & Sidaway Ear Styling Collection
Allum & Sidaway Engagement Collection
Initial Necklaces

Diamond Jewellery

Discover our diamond jewellery collection at Allum & Sidaway, where exceptional craftsmanship meets enduring elegance. From beautifully crafted diamond bracelets, to refined diamond necklaces, each piece is designed to be treasured for a lifetime.

Diamond Jewellery

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Thomas Sabo Jewellery Thomas Sabo Silver Openwork Flower Stud Earrings 2702036

Thomas Sabo Silver Openwork Flower Stud Earrings

Thomas Sabo

$163.00

Fine Jewellery Jewellery 18ct White Gold Diamond Cluster Stud Earrings 1210759
32% off

18ct White Gold Diamond Cluster Stud Earrings

Fine Jewellery

$9,966.00 $6,820.00

Georg Jensen Jewellery Jewellery Georg Jensen Silver Diamond Set Offspring Necklace 2204094

Georg Jensen Silver Diamond Set Offspring Necklace

Georg Jensen Jewellery

$751.00

Fine Jewellery Jewellery 9ct Yellow Gold 0.09ct Diamond Anchor Ring 0301058
37% off

9ct Yellow Gold 0.09ct Diamond Anchor Ring

Fine Jewellery

$540.00 $342.00

Fine Jewellery Jewellery 18ct yellow gold 0.42ct diamond open work ring 0115064
33% off

18ct yellow gold 0.42ct diamond open work ring

Fine Jewellery

$2,239.00 $1,502.00

Fine Jewellery Jewellery 18ct White Gold 0.16ct Natural Champagne Diamond Ring With Diamond Set Shoulders 0115048

18ct White Gold 0.16ct Natural Champagne Diamond Ring With Diamond Set Shoulders

Fine Jewellery

$1,332.00

Fine Jewellery Jewellery 18ct Rose Gold 1.17ct Natural Cognac Diamond Halo Ring 0111219

18ct Rose Gold 1.17ct Natural Cognac Diamond Halo Ring

Fine Jewellery

$6,820.00

Fine Jewellery Jewellery 18ct White Gold Pear And Round 1.34ct Diamond Cluster Ring 0111215

18ct White Gold Pear And Round 1.34ct Diamond Cluster Ring

Fine Jewellery

$13,646.00

Fine Jewellery Jewellery 18ct White Gold Radiant Cut Diamond Cluster Ring With Diamond Set Shoulders 0189526

18ct White Gold Radiant Cut Diamond Cluster Ring With Diamond Set Shoulders

Fine Jewellery

$7,775.00