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Diamond Necklaces

Discover our immaculate selection of diamond necklaces at Allum & Sidaway, with a diverse range of necklaces to find your ideal match. Whether you’re looking for a statement piece or something more versatile, you can find diamond necklaces for women in a variety of cuts, colours, and carats to discover a diamond jewellery piece that you’ll cherish for years to come.

Diamond Necklaces

157 Results

Fine Jewellery Jewellery 9ct Yellow Gold 0.15ct Diamond Leaf Circle Necklace 1417091

9ct Yellow Gold 0.15ct Diamond Leaf Circle Necklace

Fine Jewellery

£1,125.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.12ct Diamond Cluster Necklace 1417088

9ct White Gold 0.12ct Diamond Cluster Necklace

Fine Jewellery

£995.00

Unit price
per 

Fine Jewellery Jewellery 9ct Yellow Gold 0.15ct Diamond Scatter Necklet 1417087

9ct Yellow Gold 0.15ct Diamond Scatter Necklet

Fine Jewellery

£795.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.40ct Diamond Cluster Necklace 1417098
Fine Jewellery Jewellery 9ct White Gold 0.40ct Diamond Cluster Necklace 1417098
14% off

9ct White Gold 0.40ct Diamond Cluster Necklace

Fine Jewellery

Regular price £1,045.00 £895.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.18ct Diamond Cross Necklace 1417095

9ct White Gold 0.18ct Diamond Cross Necklace

Fine Jewellery

£390.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.25ct Diamond Solitaire Necklace 1417057

9ct White Gold 0.25ct Diamond Solitaire Necklace

Fine Jewellery

£825.00

Unit price
per 

Fine Jewellery Jewellery 9ct Yellow Gold 0.20ct Diamond Wreath Necklace 1417047

9ct Yellow Gold 0.20ct Diamond Wreath Necklace

Fine Jewellery

£690.00

Unit price
per 

Georg Jensen Jewellery Jewellery Georg Jensen Silver Grape And Diamond Necklace 2203041

Georg Jensen Silver Grape And Diamond Necklace

Georg Jensen Jewellery

£525.00

Unit price
per 

Clogau Jewellery Clogau Silver Cariad Diamond Necklace 2104036

Clogau Silver Cariad Diamond Necklace

Clogau

£290.00

Unit price
per 

Allum & Sidaway Jewellery A&S Birthstone Collection 9ct Yellow Gold Diamond April Birthstone Necklace 1417011
Georg Jensen Jewellery Jewellery Georg Jensen Silver Diamond Set Offspring Necklace 2204094

Georg Jensen Silver Diamond Set Offspring Necklace

Georg Jensen Jewellery

£625.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.50ct Diamond Necklace 1417279

18ct White Gold 0.50ct Diamond Necklace

Fine Jewellery

£2,345.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.04ct Diamond Initial J Necklace 1417128

9ct White Gold 0.04ct Diamond Initial J Necklace

Fine Jewellery

£490.00

Unit price
per 

Fine Jewellery Jewellery 18ct White And Yellow Gold 0.45ct Diamond Drop Necklace 1417113

18ct White And Yellow Gold 0.45ct Diamond Drop Necklace

Fine Jewellery

£1,995.00

Unit price
per 

Fine Jewellery Jewellery 18ct Yellow Gold 0.14ct Diamond Starfish Necklace 1417108

18ct Yellow Gold 0.14ct Diamond Starfish Necklace

Fine Jewellery

£1,425.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold Diamond Star Cluster Necklace 1401917

18ct White Gold 0.49ct Diamond Star Cluster Necklace

Fine Jewellery

£2,900.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.67ct Diamond Triple Ring Necklace 1417327

18ct White Gold 0.67ct Diamond Triple Ring Necklace

Fine Jewellery

£2,545.00

Unit price
per 

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

Unit price
per 

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

Unit price
per 

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

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.40ct Diamond Solitaire Necklace 1417291

18ct White Gold 0.40ct Diamond Solitaire Necklace

Fine Jewellery

£2,150.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.30ct Diamond Solitaire Necklace 1417290
Fine Jewellery Jewellery 18ct White Gold 0.30ct Diamond Solitaire Necklace 1417290

18ct White Gold 0.30ct Diamond Solitaire Necklace

Fine Jewellery

£1,560.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.83ct Diamond Double Drop Cluster Necklace 1417272

18ct White Gold 0.83ct Diamond Double Drop Cluster Necklace

Fine Jewellery

£3,995.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.23ct Diamond Cross Necklace 1417268

18ct White Gold 0.23ct Diamond Cross Necklace

Fine Jewellery

£1,285.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.05ct Diamond Initial S Necklace 1417133

9ct White Gold 0.05ct Diamond Initial S Necklace

Fine Jewellery

£345.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.52ct Diamond Graduated Drop Necklace 1417123
28% off

18ct White Gold 0.52ct Diamond Graduated Drop Necklace

Fine Jewellery

Regular price £2,095.00 £1,500.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 1.38ct Diamond Flower Necklace 1417114

18ct White Gold 1.38ct Diamond Flower Necklace

Fine Jewellery

£6,395.00

Unit price
per 

Fine Jewellery Jewellery 18ct Yellow Gold 0.06ct Diamond Solitaire Necklace 1417100

18ct Yellow Gold 0.06ct Diamond Solitaire Necklace

Fine Jewellery

£995.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 1.33ct Diamond Circle Necklace 1417103

18ct White Gold 1.33ct Diamond Circle Necklace

Fine Jewellery

£5,995.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.41ct Yellow Diamond Drop Necklace 1417084

18ct White Gold 0.41ct Yellow Diamond Drop Necklace

Fine Jewellery

£3,400.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.46ct Diamond Flower Necklace 1401996
45% off

18ct White Gold 0.46ct Diamond Flower Necklace

Fine Jewellery

Regular price £3,195.00 £1,750.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.51ct Diamond Butterfly Necklace 1401879

18ct White Gold 0.51ct Diamond Butterfly Necklace

Fine Jewellery

£1,995.00

Unit price
per 

Fine Jewellery Jewellery 9ct White Gold 0.10ct Diamond Solitaire Necklace 1417055
Fine Jewellery Jewellery 9ct White Gold 0.10ct Diamond Solitaire Necklace 1417055

9ct White Gold 0.10ct Diamond Solitaire Necklace

Fine Jewellery

£385.00

Unit price
per 

Fine Jewellery Jewellery 18ct Yellow Gold 0.10ct Diamond Filigree Necklace 1417035
16% off

18ct Yellow Gold 0.10ct Diamond Filigree Necklace

Fine Jewellery

Regular price £950.00 £795.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 3.00ct Graduated Diamond Collar 1401929
Fine Jewellery Jewellery 18ct White Gold 3.00ct Graduated Diamond Collar 1401929

18ct White Gold 3.00ct Graduated Diamond Collar

Fine Jewellery

£12,500.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold Diamond And Emerald Heart Necklace 1404077

18ct White Gold Diamond And Emerald Heart Necklace

Fine Jewellery

£1,150.00

Unit price
per 

Fine Jewellery Jewellery 18ct White Gold 0.38ct Diamond Necklace 1401619
39% off

18ct White Gold 0.38ct Diamond Necklace

Fine Jewellery

Regular price £3,275.00 £1,995.00

Unit price
per 

Diamond Necklaces with Timeless Elegance

Diamond necklaces are designed to stand out, and our many brilliant choices will be sure to make your outfits all the more memorable. From pendant necklaces in ornate, sophisticated designs to tennis necklaces that highlight every gemstone, there are plenty of diamond necklaces for women that are sure to appeal, whether you’re treating yourself or searching for an extra special gift.

Lab-Grown Diamond Necklaces

In our selection of diamond necklaces, you can find many pieces that are crafted using lab-grown diamonds. By choosing these lab-grown diamond necklaces, you benefit from diamonds that are visually and physically identical to natural diamonds while coming to you at a much lower price. This gives you the opportunity to choose larger carat weights and even distinctive colours while still remaining within your original budget.

If you have any questions about our diamond necklaces or any other pieces from our wider collection of jewellery, contact us today. A member of our experienced team will be happy to assist you.