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Diamond Necklaces

Elevate your style with the exquisite brilliance of diamond necklaces from Ernest Jones.

Crafted with precision, our collection showcases an array of captivating designs, from classic solitaires to intricate pendants. Each diamond is carefully selected for its exceptional cut, clarity, colour, and carat weight, ensuring a breathtaking sparkle. Indulge in the luxury of fine jewellery and let the radiance of diamonds illuminate your look.

225 Items
225 Items items returned.
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9ct White Gold Diamond Heart Swirl Pendant

9ct White Gold Diamond Heart Swirl Pendant

£450.00 

From 22.5 p/m 0% APR*

4 out of 5 stars
(1)
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BLOOM 9ct White Gold 0.50ct Lab Grown Diamond Solitaire Pendant Necklace
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Sterling Silver Diamond Pear Shaped Open Pendant Necklace
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BLOOM Rome 14ct White Gold 0.50ct Lab Grown Diamond Emerald Pendant

BLOOM Rome 14ct White Gold 0.50ct Lab Grown Diamond Emerald Pendant
ONLINE EXCLUSIVE

£500.00  (50% off)
Was £1,000.00 

From 25 p/m 0% APR*

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Platinum White 0.50ct Diamond Cushion Shaped Cluster Pendant Necklace

Platinum White 0.50ct Diamond Cushion Shaped Cluster Pendant Necklace
ONLINE EXCLUSIVE

£1,000.00  (60% off)
Was £2,500.00 

From 19.94 p/m 12.5% APR*

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Platinum 0.50ct Diamond Total Cushion Cluster Pendant Necklace

Platinum 0.50ct Diamond Total Cushion Cluster Pendant Necklace
ONLINE EXCLUSIVE

£1,250.00  (50% off)
Was £2,500.00 

From 24.93 p/m 12.5% APR*

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BLOOM 9ct Yellow Gold 0.50ct Lab Grown Diamond Solitaire Pendant Necklace
Le Vian Blueberry Tanzanite, Nude Diamonds & 14ct Rose Gold Pendant
Le Vian Couture Blueberry Tanzanite, Vanilla Diamonds & 18ct White Gold Pendant
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BLOOM 9ct White Gold 1.50ct Lab Grown Diamond Oval Solitaire Pendant
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BLOOM 9ct White Gold 1.50ct Lab Grown Diamond Elongated Cushion Solitaire Pendant
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9ct White Gold 1ct Diamond Emerald Shaped Double Halo Pendant
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9ct Yellow & White Gold Old Mine Cut 0.50ct Diamond Pendant Necklace
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9ct Yellow Gold Old Mine Cut 0.33ct Diamond Pendant Necklace
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9ct White Gold 0.20ct Diamond Snowflake Pendant
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Sterling Silver 0.05ct Diamond Open Heart Pendant
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Sterling Silver 0.04ct Diamond Pear Shaped Necklace
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Sterling Silver 0.10ct Diamond Chain Infinity Necklace
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9ct Yellow Gold Diamond Open Circle Pendant Necklace
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9ct Yellow Gold 0.33ct Diamond Round Trilogy Pendant Necklace
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Sterling Silver 0.10ct Diamond Round Infinity Necklace
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9ct Yellow Gold 0.25ct Diamond Open Circle Pendant Necklace
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9ct Yellow Gold 0.15ct Diamond Cushion Shaped Pendant Necklace
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9ct Yellow Gold 0.15ct Diamond Pear Shaped Pendant Necklace
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9ct Yellow Gold Diamond Heart Shaped Necklace
Le Vian 14ct Rose Gold 1.15ct Diamond & Montana Sapphire Oval Ombré Tennis Necklace
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Vera Wang Sterling Silver 0.50ct Diamond & Sapphire Rose Large Pendant Necklace
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Vera Wang Sterling Silver 0.25ct Diamond & Sapphire Rose Pendant Necklace
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Vera Wang Sterling Silver 0.10ct Diamond & Sapphire Rose Pendant Necklace
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Vera Wang Sterling Silver Diamond & Sapphire Trilogy Pendant Necklace
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Vera Wang Sterling Silver 0.15ct Diamond Sapphire Bow Necklace
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Vera Wang Sterling Silver 0.20ct Diamond Bow Necklace
Children's 9ct Yellow Gold 14" Diamond Cross Shaped Pendant
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Silver Diamond Infinity Symbol Necklace

Silver Diamond Infinity Symbol Necklace

£100.00  (60% off)
Was £250.00 
4.1176 out of 5 stars
(17)
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Sterling Silver Diamond Heart Pendant
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9ct Yellow Gold Ruby & Diamond Heart Pendant

9ct Yellow Gold Ruby & Diamond Heart Pendant

£450.00  (25% off)
Was £600.00 

From 22.5 p/m 0% APR*

4.5455 out of 5 stars
(11)
Sterling Silver & 9ct Rose Gold 18" Diamond Heart Locket
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9ct White Gold Diamond Infinity Necklace

9ct White Gold Diamond Infinity Necklace

£375.00 

From 18.75 p/m 0% APR*

3 out of 5 stars
(9)
9ct Gold Cultured Freshwater Pearl & Diamond Pendant
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9ct White Gold 0.21ct Diamond Flower Shaped Pendant Necklace
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9ct White Gold 0.33ct Diamond Solitaire Pendant 18" Necklace
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Vera Wang Diamond & Sapphire Butterfly Pendant
Showing 42 of 225 products

Diamond Necklaces FAQs

Diamond necklace length affects how the piece sits on the neckline. Shorter lengths offer a classic, close‑to‑the‑neck look, while longer chains create a more relaxed or layered style. Product descriptions usually include length details to help you choose. 

Diamond necklaces are a popular and meaningful gift, often chosen for birthdays, anniversaries, graduations and celebrations. Their versatility makes them suitable for a wide range of ages and personal styles. 

Absolutely. Diamond necklaces are ideal for layering, whether worn with other diamond pieces or mixed with plain chains. Layering allows you to create a personalised look for different outfits and occasions. 

Many diamond necklaces are available in hypoallergenic metals, such as platinum and higher‑purity golds, making them suitable for sensitive skin. Metal details are listed on each product page. 

Many diamond necklaces are designed to coordinate with diamond earrings, bracelets or rings, making it easy to build a cohesive jewellery set or choose a matching gift.