Diamond Necklaces & Pendants

We have a range of diamond necklaces suitable for everyday wear or to complete a dazzling outfit. You'll find a multitude of styles and gemstones teamed with diamonds, meaning there is a piece for every taste. Lovers of glamour will fall hard for Mappin & Webb’s Masquerade white gold diamond pendant. With its soft, square outline and diamonds crafted into a glittering star, this necklace will immediately turn heads.

For those who appreciate simple elegance, the Goldsmiths 18ct white gold brightest diamond solitaire pendant is the perfect choice. Nestled against the skin on a simple silver chain, it gives an air of quiet sophistication without compromising on luxury.

Hide filters

Hide Text

380 Products

Price

£101 - £250 (9)
£251 - £500 (29)
£501 - £1,000 (75)
£1,001 - £2,500 (109)
£2,501 - £5,000 (85)
£5,001 - £10,000 (44)
Over £10,000 (29)

Discount (% OFF)

20% - 29% Off (18)
30% - 39% Off (19)
40% - 49% Off (6)
50% - 59% Off (7)

Category

Necklaces (376)
Earrings (2)
Bracelets (1)

Recipient

Brand

See 9 more

See Fewer

Brand Collections

See 42 more

See Fewer

Metal Type

Gemstone

See 6 more

See Fewer

Stone Weight

See 2 more

See Fewer

Earring Style

Necklace Style

See 6 more

See Fewer

Bracelet Style

Gemstone Shape

Diamond Colour

See 1 more

See Fewer

Diamond Clarity

See 3 more

See Fewer

Diamond Certificate

Delivery Option

Load previous

18ct White Gold 10.11cttw Brilliant Cut Graduated Diamond Line Necklace

From £597.23 per month

18ct Yellow Gold 0.50ct Diamond 4 Claw Pendant

£1,400.00 £1,750.00

From £58.33 per month

9ct White Gold 0.10cttw Diamond Illusion Set Pendant

From £23.96 per month

9ct Yellow Gold 0.25cttw Diamond Pendant

From £23.61 per month

18ct Yellow Gold 1.00cttw Diamond Stud Earrings

From £118.06 per month

9ct White Gold 0.15cttw Diamond Pendant

From £27.08 per month

18ct Yellow Gold 0.30cttw Diamond Pendant

From £48.61 per month

18ct Yellow Gold 1.00cttw Diamond Pendant

From £229.17 per month

9ct White Gold 0.50cttw Diamond Pendant

From £48.61 per month

18ct White Gold 0.25cttw Diamond Stud Earrings

From £27.78 per month

18ct White Gold 1.00cttw Diamond Pendant

From £229.17 per month

18ct White Gold 0.15cttw Diamond Pendant

From £34.72 per month

18ct White Gold 0.30cttw Diamond Pendant

From £48.61 per month

18ct White Gold 0.50cttw Three Stone Pendant

£1,150.00 £1,900.00

From £47.92 per month

18ct Yellow Gold 1.00cttw Oval Cut Lab Grown Diamond Solitaire Pendant

From £48.61 per month

18ct White Gold 6.00cttw Lab Grown Diamond Line Necklace

From £194.44 per month

18ct Yellow Gold Masai Diamond Circle Pendant

From £68.06 per month

18ct Yellow Gold Jaipur Link Lariat with Pavé Diamonds

From £448.62 per month

18ct White Gold Oval Cut Aquamarine and 0.33cttw Diamond Pendant

From £90.28 per month

18ct White Gold 1.00cttw Brilliant Cut Lab Grown Diamond Solitaire Pendant

From £48.61 per month

9ct Yellow Gold 0.09cttw Diamond Bezel Circle Necklace

From £13.54 per month

0% finance over 4 months

18ct Yellow Gold 0.50cttw Diamond Pear Solitaire Pendant

£1,950.00 £2,750.00

From £81.25 per month

Masquerade 18ct White Gold 0.68cttw Diamond Pendant

£2,000.00 £3,000.00

From £83.33 per month

9ct Yellow Gold 0.08ct Diamond Heart Pendant

From £12.50 per month

0% finance over 4 months

18ct Yellow Gold Eka 0.12ct Diamond Necklace

From £89.44 per month

18ct Rose Gold Eka 0.12ct Diamond Necklace

From £89.44 per month

18ct Yellow Gold Eka 0.18ct Diamond Necklace

From £111.39 per month

18ct Yellow Gold Luna 18ct 2.07ct Diamond Necklace

From £862.78 per month

18ct White Gold Eka 0.18ct Diamond Necklace

From £111.39 per month

18ct Rose Gold Eka Flex'it 0.03ct Diamond Necklace

From £286.95 per month

9ct White Gold Aquamarine & Diamond 0.072ct Pear Pendant

£400.00 £500.00

From £16.67 per month

0% finance over 4 months

Giardini Segreti Collier in 18ct Rose Gold with 12.57ct White and Champagne Diamonds

Petit Joli Necklace in 18ct Rose Gold with Pearl of the Moon gem and Diamonds

From £66.94 per month

Petit Joli Necklace in 18ct Rose Gold with Lunar Night Blue gem and Diamonds

From £66.94 per month

Petit Joli Necklace in 18ct Rose Gold with Lunar Garden gem and Diamonds

From £66.94 per month

Petit Garden Necklace in 18ct Rose Gold with Diamonds

From £116.67 per month

Petit Joli Necklace in 18ct Rose Gold with Carnelian and Diamonds

From £99.44 per month

Petit Joli Necklace in 18ct Rose Gold with Lunar Rose gem and Diamonds

From £66.94 per month

Aleluiá Necklace in 18ct White Gold with Diamonds

From £166.94 per month

18ct Yellow Gold Eka 4.91ct Diamond Necklace

From £1,225.56 per month

18ct White Gold Flex'it 10.39ct Diamond Necklace

18ct Rose Gold Eka Tiny 0.19ct Black Diamond Necklace

From £103.89 per month

18ct White Gold Eka Tiny 0.19ct Diamond Necklace

From £102.22 per month

18ct Rose Gold Aria 0.02ct Diamond Necklace

From £102.22 per month

18ct Rose Gold Eka Tiny 0.19ct Diamond Necklace

From £105.56 per month

18ct Yellow Gold Eka Flex'it 0.13ct Diamond Necklace

From £326.95 per month

18ct White Gold Eka Flex'it 0.13ct Diamond Necklace

From £326.95 per month

Serti sur Vide 18ct White Gold 0.75ct Pear Cut Diamond Pendant

From £233.89 per month

You've viewed 144 of 380 products

Load more products

Single and solitaire diamond necklaces

Our beautiful range of diamond necklaces is available to buy online. Use the filters to narrow down your search if you know exactly what you’re looking for or, if you’re still looking for the perfect piece of jewellery, browse the full selection. Whether you want a single solitaire diamond or a white gold pendant with a combination of gemstones, we’ve got the necklace your heart desires.

If you would like assistance in choosing the right piece for you or your loved one, simply get in touch or select the 'Live Help' button to open our online chat for expert advice.

We also have a wide range of pieces available for sale in our UK stores, so find your nearest store to view our offering in person.