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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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Fine Jewellery Jewellery 18ct Yellow Gold 0.94ct Diamond 2 Row Scatter Bracelet 1106140

18ct Yellow Gold 0.94ct Diamond 2 Row Scatter Bracelet

Fine Jewellery

£5,995.00

Fine Jewellery Jewellery 18ct White Gold 0.95ct Diamond Scatter Drop Earrings 1210949
Fine Jewellery Jewellery 18ct White Gold 0.95ct Diamond Scatter Drop Earrings 1210949

18ct White Gold 0.95ct Diamond Scatter Drop Earrings

Fine Jewellery

£5,295.00

Fine Jewellery Jewellery 9ct White Gold 0.30ct Diamond Cluster Stud Earrings 1210934
24% off

9ct White Gold 0.30ct Diamond Cluster Stud Earrings

Fine Jewellery

£595.00 £450.00

Fine Jewellery Jewellery 18ct Yellow Gold 1.56ct Diamond Boat Ring 0188032

18ct Yellow Gold 1.56ct Diamond Boat Ring

Fine Jewellery

£3,999.00

Fine Jewellery Jewellery 18ct White Gold 0.20ct Floating Diamond Ring 0188023
56% off

18ct White Gold 0.20ct Floating Diamond Ring

Fine Jewellery

£2,250.00 £995.00

Fine Jewellery Jewellery 18ct White, Yellow And Rose Gold 1.00ct Diamond Scatter Ring 0115172

18ct White, Yellow And Rose Gold 1.00ct Diamond Scatter Ring

Fine Jewellery

£4,595.00

Fine Jewellery Jewellery Platinum 0.51ct Diamond Scatter Ring 0115089

Platinum 0.51ct Diamond Scatter Ring

Fine Jewellery

£3,125.00

Fine Jewellery Jewellery 18ct White Gold 0.53ct Yellow Diamond Cluster Ring 0111415

18ct White Gold 0.53ct Yellow Diamond Cluster Ring

Fine Jewellery

£4,595.00

Fine Jewellery Jewellery Platinum 1.00ct Diamond Flower Cluster Ring 0111378

Platinum 1.00ct Diamond Flower Cluster Ring

Fine Jewellery

£3,999.00

Fine Jewellery Jewellery 18ct White Gold 1.00ct Diamond Double Cluster Ring 0111365

18ct White Gold 1.00ct Diamond Double Cluster Ring

Fine Jewellery

£4,850.00

Fine Jewellery Jewellery Platinum 0.69ct Diamond Infinity Ring 0111337

Platinum 0.69ct Diamond Infinity Ring

Fine Jewellery

£5,950.00

Fine Jewellery Jewellery 18ct White Gold 1.00ct Marquise Cut Diamond Cross Over Ring 0111336

18ct White Gold 1.00ct Marquise Cut Diamond Cross Over Ring

Fine Jewellery

£3,950.00

Fine Jewellery Jewellery 18ct Yellow Gold 0.70ct Yellow Diamond 3 Stone Ring 0103452

18ct Yellow Gold 0.70ct Yellow Diamond 3 Stone Ring

Fine Jewellery

£7,750.00

Clogau Jewellery Clogau 9ct Yellow Gold Lilibet Diamond Necklace 2104494

Clogau 9ct Yellow Gold Lilibet Diamond Necklace

Clogau

£946.00

Fine Jewellery Jewellery 18ct White Gold 0.56ct Diamond Clover Necklace 1417323

18ct White Gold 0.56ct Diamond Clover Necklace

Fine Jewellery

£3,420.00

Fine Jewellery Jewellery 18ct White Gold 0.85ct Diamond Clover Stud Earrings 1210948

18ct White Gold 0.85ct Diamond Clover Stud Earrings

Fine Jewellery

£4,595.00

Fine Jewellery Jewellery 9ct Yellow Gold 0.08ct Diamond Open Heart Necklace 1417319

9ct Yellow Gold 0.08ct Diamond Open Heart Necklace

Fine Jewellery

£845.00

Fine Jewellery Jewellery 9ct Yellow Gold Diamond Set Circle Stud Earrings 1210947

9ct Yellow Gold Diamond Set Circle Stud Earrings

Fine Jewellery

£445.00

Fine Jewellery Jewellery 18ct White Gold 0.10ct Diamond 2 Stone Bangle 1113094
Fine Jewellery Jewellery 18ct White Gold 0.10ct Diamond 2 Stone Bangle 1113094
37% off

18ct White Gold 0.10ct Diamond 2 Stone Bangle

Fine Jewellery

£1,750.00 £1,100.00

Fine Jewellery Jewellery 18ct White Gold 0.05ct Diamond Bangle 1113100
Fine Jewellery Jewellery 18ct White Gold 0.05ct Diamond Bangle 1113100
39% off

18ct White Gold 0.05ct Diamond Bangle

Fine Jewellery

£1,795.00 £1,100.00

Fine Jewellery Jewellery 18ct White Gold 1.59ct Diamond Bangle 1113114
Fine Jewellery Jewellery 18ct White Gold 1.59ct Diamond Bangle 1113114

18ct White Gold 1.59ct Diamond Bangle

Fine Jewellery

£5,400.00

Fine Jewellery Jewellery 18ct Yellow Gold 2.56ct Diamond Bangle 1113113
Fine Jewellery Jewellery 18ct Yellow Gold 2.56ct Diamond Bangle 1113113

18ct Yellow Gold 2.56ct Diamond Bangle

Fine Jewellery

£6,900.00

Allum & Sidaway Jewellery A&S Engagement Collection 18ct Yellow Gold 0.70ct Diamond Solitaire With Diamond Set Shoulders 0120128

A&S Engagement Collection 18ct Yellow Gold 0.70ct Diamond Solitaire With Diamond Set Shoulders

Allum & Sidaway

£3,895.00

Fine Jewellery Jewellery 18ct White Gold 0.45ct Diamond Wave Fancy Half Eternity Ring 0115171
Fine Jewellery Jewellery 18ct White Gold 0.45ct Diamond Wave Fancy Half Eternity Ring 0115171

18ct White Gold 0.45ct Diamond Wave Fancy Half Eternity Ring

Fine Jewellery

£2,550.00

Fine Jewellery Jewellery 9ct White Gold 0.12ct Diamond Cross Necklace 1417269

9ct White Gold 0.12ct Diamond Cross Necklace

Fine Jewellery

£650.00

Fine Jewellery Jewellery 18ct White Gold 0.41ct Diamond Twist Hoop Earrings 1220092

18ct White Gold 0.41ct Diamond Twist Hoop Earrings

Fine Jewellery

£2,100.00

Fine Jewellery Jewellery 18ct Yellow Gold 0.05ct Diamond Talon Drop Earrings 1210917
20% off

18ct Yellow Gold 0.05ct Diamond Talon Drop Earrings

Fine Jewellery

£495.00 £395.00

Fine Jewellery Jewellery 18ct Yellow Gold 0.75ct Salt And Pepper Diamond Cluster Ring 0111388

18ct Yellow Gold 0.75ct Salt And Pepper Diamond Cluster Ring

Fine Jewellery

£2,345.00

Fine Jewellery Jewellery 9ct White Gold 0.37ct Princess Cut Diamond Cluster Ring 0111380
17% off

9ct White Gold 0.37ct Princess Cut Diamond Cluster Ring

Fine Jewellery

£995.00 £825.00

Fine Jewellery Jewellery 18ct White Gold 0.16ct Diamond Cluster Ring 0111175
40% off

18ct White Gold 0.16ct Diamond Cluster Ring

Fine Jewellery

£1,080.00 £650.00

Fine Jewellery Jewellery Platinum 0.78ct Diamond Half Eternity Ring 0107105

Platinum 0.78ct Diamond Half Eternity Ring

Fine Jewellery

£2,995.00

Fine Jewellery Jewellery 18ct Yellow Gold 1.02ct Diamond 5 Stone Ring 0105184

18ct Yellow Gold 1.02ct Diamond 5 Stone Ring

Fine Jewellery

£4,800.00

Fine Jewellery Jewellery Platinum 0.80ct Diamond Solitaire Ring 0101642
37% off

Platinum 0.80ct Diamond Solitaire Ring

Fine Jewellery

£3,995.00 £2,500.00

Fine Jewellery Jewellery Platinum 0.75ct Diamond Solitaire Ring 0101267

Platinum 0.75ct Diamond Solitaire Ring

Fine Jewellery

£5,500.00

Fine Jewellery Jewellery 18ct White Gold 1.50ct Diamond Fancy Necklace 1417294
Fine Jewellery Jewellery 18ct White Gold 1.50ct Diamond Fancy Necklace 1417294

18ct White Gold 1.50ct Diamond Fancy Necklace

Fine Jewellery

£4,780.00

Fine Jewellery Jewellery 18ct Yellow Gold 1.00ct Diamond Half Eternity Ring 0114328

18ct Yellow Gold 1.00ct Diamond Half Eternity Ring

Fine Jewellery

£3,700.00

Fine Jewellery Jewellery 9ct White Gold 0.23ct Diamond Oval Cluster Ring 0111406

9ct White Gold 0.23ct Diamond Oval Cluster Ring

Fine Jewellery

£900.00

Fine Jewellery Jewellery Platinum 0.90ct Diamond 5 Stone Ring 0105211

Platinum 0.90ct Diamond 5 Stone Ring

Fine Jewellery

£4,180.00

Fine Jewellery Jewellery 9ct Yellow Gold 0.06ct Diamond Twist Necklace 1417304

9ct Yellow Gold 0.06ct Diamond Twist Necklace

Fine Jewellery

£525.00

Fine Jewellery Jewellery 18ct White Gold 0.20ct Diamond Solitaire Necklace 1417289

18ct White Gold 0.20ct Diamond Solitaire Necklace

Fine Jewellery

£1,140.00

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