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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 0.25ct yellow diamond 3 stone ring 0119015

18ct white gold 0.25ct yellow diamond 3 stone ring

Fine Jewellery

$2,149.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.14ct yellow diamond halo ring 0119014

18ct white gold 0.14ct yellow diamond halo ring

Fine Jewellery

$2,183.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.31ct yellow diamond halo ring 0119013

18ct white gold 0.31ct yellow diamond halo ring

Fine Jewellery

$2,661.00

Unit price
per 

Clogau Jewellery Clogau 9ct Yellow Gold Bore Da Diamond Ring - Size M 2112111

Clogau 9ct Yellow Gold Bore Da Diamond Ring - Size M

Clogau

$437.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.08ct Diamond Circle Stud Earrings 1210754

9ct White Gold 0.08ct Diamond Circle Stud Earrings

Fine Jewellery

$546.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection 18ct Yellow Gold 1.00ct Diamond 3 Stone Ring 0120164
Allum & Sidaway Jewellery A&S Engagement Collection 18ct Yellow Gold 1.00ct Diamond 3 Stone Ring 0120164
Fine Jewellery Jewellery 18ct yellow gold 0.79ct diamond flower cluster ring 0115178

18ct yellow gold 0.79ct diamond flower cluster ring

Fine Jewellery

$3,520.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.47ct Sapphire and Diamond Hoop Earrings 1213381

18ct White Gold 0.47ct Sapphire and Diamond Hoop Earrings

Fine Jewellery

$4,434.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.29ct Diamond Open Flower Stud Earrings 1210991

18ct White Gold 0.29ct Diamond Open Flower Stud Earrings

Fine Jewellery

$2,592.00

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per 

Fine Jewellery Jewellery 18ct Yellow Gold 0.29ct Diamond Open Flower Stud Earrings 1210989

18ct Yellow Gold 0.29ct Diamond Open Flower Stud Earrings

Fine Jewellery

$2,592.00

Unit price
per 

Fine Jewellery Jewellery 18ct Yellow Gold 0.86ct Diamond Double Row Hoop Earrings 1210986

18ct Yellow Gold 0.86ct Diamond Double Row Hoop Earrings

Fine Jewellery

$4,502.00

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per 

Fine Jewellery Jewellery 18ct Yellow Gold 0.33ct Diamond Open Link Drop Earrings 1210985

18ct Yellow Gold 0.33ct Diamond Open Link Drop Earrings

Fine Jewellery

$2,401.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.67ct Diamond Scatter Necklace 1417374

18ct White Gold 0.67ct Diamond Scatter Necklace

Fine Jewellery

$5,048.00

Unit price
per 

Fine Jewellery Jewellery 18ct Yellow Gold 0.17ct Diamond Open Link Necklace 1417375

18ct Yellow Gold 0.17ct Diamond Open Link Necklace

Fine Jewellery

$2,047.00

Unit price
per 

Fine Jewellery Jewellery 9ct yellow gold 0.05ct diamond illusion set stud earrings 1210974

9ct yellow gold 0.05ct diamond illusion set stud earrings

Fine Jewellery

$294.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 1.97ct diamond 3 row openwork necklace 1417188
33% off

18ct white gold 1.97ct diamond 3 row openwork necklace

Fine Jewellery

Regular price $8,117.00 $5,450.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.14ct diamond cluster necklace 1417364

18ct white gold 0.14ct diamond cluster necklace

Fine Jewellery

$935.00

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per 

Allum & Sidaway Jewellery A&S Engagement Collection 18ct yellow gold 0.65ct diamond solitaire ring 0120408
Fine Jewellery Jewellery 9ct white gold 0.40ct diamond cluster necklace 1401790
28% off

9ct white gold 0.40ct diamond cluster necklace

Fine Jewellery

Regular price $2,081.00 $1,501.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.80ct diamond solitaire ring with diamond set shoulders 0101870
17% off

A&S Engagement Collection Platinum 0.80ct diamond solitaire ring with diamond set shoulders

Allum & Sidaway

Regular price $8,588.00 $7,162.00

Unit price
per 

Fine Jewellery Jewellery 18ct yellow and white gold 0.89ct diamond disc necklace 1417361

18ct yellow and white gold 0.89ct diamond disc necklace

Fine Jewellery

$4,891.00

Unit price
per 

Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.25ct Diamond Solitaire 0120241
Allum & Sidaway Jewellery A&S Engagement Collection Platinum 0.25ct Diamond Solitaire 0120241

A&S Engagement Collection Platinum 0.25ct Diamond Solitaire

Allum & Sidaway

$2,449.00

Unit price
per 

Fine Jewellery Jewellery 18ct rose gold 0.84ct diamond cluster drop necklace 1417371

18ct rose gold 0.84ct diamond cluster drop necklace

Fine Jewellery

$5,818.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.39ct diamond necklace 1417370

18ct white gold 0.39ct diamond necklace

Fine Jewellery

$3,199.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.53ct diamond necklace 1417368

18ct white gold 0.53ct diamond necklace

Fine Jewellery

$3,615.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.52ct diamond necklace 1417366

18ct white gold 0.52ct diamond necklace

Fine Jewellery

$3,070.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.46ct diamond stud earrings 1210981

18ct white gold 0.46ct diamond stud earrings

Fine Jewellery

$3,070.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 6.59ct diamond bracelet 1106145
Fine Jewellery Jewellery 18ct white gold 6.59ct diamond bracelet 1106145

18ct white gold 6.59ct diamond bracelet

Fine Jewellery

$23,122.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.75ct ruby and diamond crossover ring 0205254

18ct white gold 0.75ct ruby and diamond crossover ring

Fine Jewellery

$5,450.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.34ct ruby and diamond half eternity ring 0202230

18ct white gold 0.34ct ruby and diamond half eternity ring

Fine Jewellery

$2,524.00

Unit price
per 

Fine Jewellery Jewellery Platinum 1.29ct diamond scatter ring 0111439

Platinum 1.29ct diamond scatter ring

Fine Jewellery

$6,753.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 1.00ct Diamond Half Eternity Ring 0114142
36% off

18ct White Gold 1.00ct Diamond Half Eternity Ring

Fine Jewellery

Regular price $5,252.00 $3,343.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.85ct diamond heart cluster necklace 1417355

18ct white gold 0.85ct diamond heart cluster necklace

Fine Jewellery

$4,284.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.57ct diamond circle necklace 1417354

18ct white gold 0.57ct diamond circle necklace

Fine Jewellery

$3,131.00

Unit price
per 

Fine Jewellery Jewellery 9ct yellow gold 0.02ct diamond star oval necklace 1417348

9ct yellow gold 0.02ct diamond star oval necklace

Fine Jewellery

$403.00

Unit price
per 

Fine Jewellery Jewellery 9ct yellow gold 0.02ct diamond star heart necklace 1417347

9ct yellow gold 0.02ct diamond star heart necklace

Fine Jewellery

$587.00

Unit price
per 

Fine Jewellery Jewellery 9ct yellow gold 0.02ct diamond circle star necklace 1417346

9ct yellow gold 0.02ct diamond circle star necklace

Fine Jewellery

$403.00

Unit price
per 

Fine Jewellery Jewellery 18ct white gold 0.30ct diamond cluster stud earrings 1220109

18ct white gold 0.30ct diamond cluster stud earrings

Fine Jewellery

$1,351.00

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.