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Diamond Jewellery

Discover our diamond jewellery collection at Allum & Sidaway, where exceptional craftsmanship meets enduring elegance. Including beautifully crafted diamond rings, refined diamond necklaces, elegant diamond earrings, and many more captivating choices, each piece is designed to be treasured for a lifetime.

Diamond Jewellery

747 Results

Fine Jewellery Jewellery 18ct white gold 0.44ct diamond trefoil stud earrings 1210975

18ct white gold 0.44ct diamond trefoil stud earrings

Fine Jewellery

$1,726.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection 18ct yellow gold 0.80ct diamond solitaire ring 0120679
Allum & Sidaway Jewellery A&S Engagement Collection 18ct yellow gold 0.50ct diamond solitaire ring 0120606
Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.60ct diamond solitaire ring 0120079

A&S Engagement Collection Platinum 0.60ct diamond solitaire ring

Allum & Sidaway

$4,023.00

Unit price
per 

Fine Jewellery Jewellery 18ct rose gold 0.43ct Cognac Diamond halo ring 0119006

18ct rose gold 0.43ct Cognac Diamond halo ring

Fine Jewellery

$3,519.00

Unit price
per 

Fine Jewellery Jewellery 18ct rose gold 1.03ct coffee diamond halo ring 0119003

18ct rose gold 1.03ct coffee diamond halo ring

Fine Jewellery

$8,367.00

Unit price
per 

Fine Jewellery Jewellery 18ct rose gold 0.59ct cognac and white diamond toi et moi ring 0119002

18ct rose gold 0.59ct cognac and white diamond toi et moi ring

Fine Jewellery

$7,998.00

Unit price
per 

Fine Jewellery Jewellery 18ct yellow gold 0.80ct diamond halo ring 0111435

18ct yellow gold 0.80ct diamond halo ring

Fine Jewellery

$4,262.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.52ct diamond cluster ring 0111427

18ct white gold 0.52ct diamond cluster ring

Fine Jewellery

$3,239.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.75ct diamond cluster ring 0111233

18ct white gold 0.75ct diamond cluster ring

Fine Jewellery

$3,648.00

Unit price
per 

Allum & Sidaway Jewellery Platinum 1.26ct diamond 3 stone ring 0103461

Platinum 1.26ct diamond 3 stone ring

Allum & Sidaway

$10,903.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.80ct Diamond Solitaire Ring 0120211
Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.80ct Diamond Solitaire Ring 0120211

A&S Engagement Collection Platinum 0.80ct Diamond Solitaire Ring

Allum & Sidaway

$7,494.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.70ct Diamond Oval Cut Solitaire Ring 0120577
Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.70ct Diamond Oval Cut Solitaire Ring 0120577
Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.70ct diamond solitaire ring 0120505

A&S Engagement Collection Platinum 0.70ct diamond solitaire ring

Allum & Sidaway

$6,403.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection 18ct yellow gold 0.27ct diamond solitaire ring 0120301
Fine Jewellery Jewellery 18ct Yellow Gold 0.04ct Diamond Crossover Ring 0115067
38% off

18ct Yellow Gold 0.04ct Diamond Crossover Ring

Fine Jewellery

Regular price $2,660.00 $1,637.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 1.09ct diamond set circle necklace 1417069
32% off

18ct white gold 1.09ct diamond set circle necklace

Fine Jewellery

Regular price $5,721.00 $3,887.00

Unit price
per 

Clogau Jewellery Clogau 9ct Yellow Gold Tree Of Life Diamond Stud Earrings 2101169
Fine Jewellery Jewellery 9ct white gold 0.05ct diamond initial S necklace 1417064

9ct white gold 0.05ct diamond initial S necklace

Fine Jewellery

$526.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection 18ct yellow gold 0.60ct diamond solitaire ring 0120648
Fine Jewellery Jewellery 18ct yellow gold 1.00ct diamond scatter bracelet 1106142
16% off

18ct yellow gold 1.00ct diamond scatter bracelet

Fine Jewellery

Regular price $9,730.00 $8,176.00

Unit price
per 

Fine Jewellery Jewellery 9ct white gold 0.10ct diamond rubover stud earrings 1210961
28% off

9ct white gold 0.10ct diamond rubover stud earrings

Fine Jewellery

Regular price $662.00 $478.00

Unit price
per 

Fine Jewellery Jewellery 9ct white gold 0.10ct diamond rubover stud earrings 1210962
28% off

9ct white gold 0.10ct diamond rubover stud earrings

Fine Jewellery

Regular price $614.00 $444.00

Unit price
per 

Fine Jewellery Jewellery 9ct white gold 0.20ct diamond rubover stud earrings 1210963
23% off

9ct white gold 0.20ct diamond rubover stud earrings

Fine Jewellery

Regular price $1,023.00 $785.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.70ct diamond circle stud earrings 1210965
17% off

18ct white gold 0.70ct diamond circle stud earrings

Fine Jewellery

Regular price $2,380.00 $1,978.00

Unit price
per 

Fine Jewellery Jewellery 9ct white gold 0.21ct princess cut diamond stud earrings 1210966
19% off

9ct white gold 0.21ct princess cut diamond stud earrings

Fine Jewellery

Regular price $1,221.00 $989.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.27ct diamond hoop earrings 1210968
31% off

18ct white gold 0.27ct diamond hoop earrings

Fine Jewellery

Regular price $1,971.00 $1,357.00

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per 

Fine Jewellery Jewellery 18ct white gold 0.32ct diamond hoop drop earrings 1210970
14% off

18ct white gold 0.32ct diamond hoop drop earrings

Fine Jewellery

Regular price $1,501.00 $1,296.00

Unit price
per 

Fine Jewellery Jewellery 9ct white gold 0.03ct diamond illusion set stud earrings 1210973

9ct white gold 0.03ct diamond illusion set stud earrings

Fine Jewellery

$232.00

Unit price
per 

Fine Jewellery Jewellery 18ct yellow gold 0.05ct diamond circle stud earrings 1220106
23% off

18ct yellow gold 0.05ct diamond circle stud earrings

Fine Jewellery

Regular price $757.00 $580.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.70ct diamond cluster hoop earrings 1220107
23% off

18ct white gold 0.70ct diamond cluster hoop earrings

Fine Jewellery

Regular price $2,932.00 $2,251.00

Unit price
per 

Fine Jewellery Jewellery 18ct yellow gold 0.48ct diamond solitaire necklace 1417330
36% off

18ct yellow gold 0.48ct diamond solitaire necklace

Fine Jewellery

Regular price $4,807.00 $3,069.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.43ct diamond halo necklace 1417333
28% off

18ct white gold 0.43ct diamond halo necklace

Fine Jewellery

Regular price $3,676.00 $2,660.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.24ct diamond solitaire necklace 1417335
25% off

18ct white gold 0.24ct diamond solitaire necklace

Fine Jewellery

Regular price $1,739.00 $1,296.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.72ct diamond halo necklace 1417337
14% off

18ct white gold 0.72ct diamond halo necklace

Fine Jewellery

Regular price $5,789.00 $4,978.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.33ct diamond wishbone ring 0115192

18ct white gold 0.33ct diamond wishbone ring

Fine Jewellery

$2,216.00

Unit price
per 

Fine Jewellery Jewellery Platinum 0.79ct diamond flower cluster multi-band ring 0115177
20% off

Platinum 0.79ct diamond flower cluster multi-band ring

Fine Jewellery

Regular price $3,403.00 $2,721.00

Unit price
per 

Fine Jewellery Jewellery 18ct white, rose and yellow gold 0.25ct diamond scatter ring 0111422

18ct white, rose and yellow gold 0.25ct diamond scatter ring

Fine Jewellery

$2,094.00

Unit price
per 

Discover Our Selection of Diamond Jewellery

Our immaculate collection of diamond jewellery at Allum & Sidaway features a divine range of options to help you find the perfect choice, whether you’re treating that special someone or yourself. No matter if you’re looking for an everyday contemporary piece or wedding jewellery that your partner will cherish for years to come, you can find exceptional choices to suit all needs and tastes here. 

Laboratory-Grown Diamond Jewellery

In our collection, you can find many exquisite laboratory-grown diamond jewellery pieces. These retain all of the qualities of natural diamonds, while being significantly more affordable and conflict-free. With these choices, you can shop hand-crafted diamond jewellery that not only comes at a much lower price but has also been sourced from fully ethical origins.

If you’d like to know anything more about our UK diamond jewellery collection or any of our other timeless jewellery pieces, contact us today, and a member of our experienced team will gladly assist you.