Sustainable Lab Diamond Necklaces

The sustainable and ethical choice. Matching ethical sustainability with the utmost in sparkle and sophistication, our Lab Grown Diamond Necklaces never fail to set pulses racing with their opulent beauty.

Showing 385 - 432 of 433 products
NEXT DAY DELIVERY LOW STOCKElla Pink Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Pink Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£3,485£50.99 per month 
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1.20ct Sapphire Asteria Lab Diamond Drop Pendant Necklace in 9K Gold

1.20ct Sapphire Asteria Lab Diamond Drop Pendant Necklace in 9K Gold

£599£11.12 per month 
1 reviews
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NEXT DAY DELIVERY Love Letter Initial U Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial U Lab Diamond Necklace set in 925 Sterling Silver

£149 
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Georgina Blue Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

Georgina Blue Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

£2,219£32.00 per month 
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Beatrice Blue Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

Beatrice Blue Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

£1,449£22.39 per month 
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial Q Lab Diamond Necklace set in 9K White Gold

Love Letter Initial Q Lab Diamond Necklace set in 9K White Gold

£249 
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NEXT DAY DELIVERY 1.50ct Ruby Asteria Lab Diamond Halo Pendant Necklace 9K White Gold

1.50ct Ruby Asteria Lab Diamond Halo Pendant Necklace 9K White Gold

£585£9.27 per month 
3 reviews
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NEXT DAY DELIVERY LOW STOCKGeorgina Blue Lab Diamond Oval Halo Necklace 0.70ct in 18K White Gold - Elara Collection

Georgina Blue Lab Diamond Oval Halo Necklace 0.70ct in 18K White Gold - Elara Collection

£1,449£22.39 per month 
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Ella Pink Lab Diamond 1.38ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Pink Lab Diamond 1.38ct Pendant Necklace in 18K White Gold - Elara Collection

£3,485£50.99 per month 
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925 Silver Lab Diamond Initial 'W' Necklace 0.05ct

925 Silver Lab Diamond Initial 'W' Necklace 0.05ct

£149 
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Beatrice Yellow Lab Diamond Cushion Cut Necklace 1.38ct in 18K White Gold - Elara Collection

Beatrice Yellow Lab Diamond Cushion Cut Necklace 1.38ct in 18K White Gold - Elara Collection

£3,255£47.63 per month 
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Annabelle Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold F/VS1

Annabelle Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold F/VS1

£1,995£40.01 per month 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'T' Necklace 0.05ct

925 Silver Lab Diamond Initial 'T' Necklace 0.05ct

£149 
4 reviews
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NEXT DAY DELIVERY LOW STOCKRuby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

Ruby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

£349 
2 reviews
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Georgina Oval Lab Diamond Halo Pendant Necklace 1.38ct in 18K White Gold F/VS1

Georgina Oval Lab Diamond Halo Pendant Necklace 1.38ct in 18K White Gold F/VS1

£1,999£39.94 per month 
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NEXT DAY DELIVERY LOW STOCK1.40ct Emerald Lab Diamond Halo Pendant Necklace in 9K White Gold

1.40ct Emerald Lab Diamond Halo Pendant Necklace in 9K White Gold

£579£9.43 per month 
4 reviews
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NEXT DAY DELIVERY LOW STOCKAnnabelle Yellow Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18K White Gold - Elara Collection

Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18K White Gold - Elara Collection

£3,255£47.63 per month 
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NEXT DAY DELIVERY Love Letter Initial Y Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial Y Lab Diamond Necklace set in 925 Sterling Silver

£149 
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Georgina Pink Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

Georgina Pink Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

£3,485£50.99 per month 
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NEXT DAY DELIVERY LOW STOCKElla Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

£1,449£22.39 per month 
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Tanzanite and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

Tanzanite and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

£1,835£29.38 per month 
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial U Lab Diamond Necklace set in 9K White Gold

Love Letter Initial U Lab Diamond Necklace set in 9K White Gold

£249 
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Ella Yellow Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Yellow Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

£1,639£25.60 per month 
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NEXT DAY DELIVERY LOW STOCKOlivia 18K White Gold Lab Diamond Pendant Necklace 0.50CT F/VS

Olivia 18K White Gold Lab Diamond Pendant Necklace 0.50CT F/VS

£599
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NEXT DAY DELIVERY LOW STOCKElla Pink Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Pink Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

£1,885£27.20 per month 
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Annabelle Lab Diamond 0.70ct Pendant Necklace in 18K Yellow Gold F/VS1

Annabelle Lab Diamond 0.70ct Pendant Necklace in 18K Yellow Gold F/VS1

£1,479£20.79 per month 
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Georgina Blue Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

Georgina Blue Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

£1,449£22.39 per month 
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Ella Pink Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Pink Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£1,885£27.20 per month 
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NEXT DAY DELIVERY LOW STOCKGeorgina Pink Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

Georgina Pink Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

£1,885£27.20 per month 
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Beatrice Yellow Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

Beatrice Yellow Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

£1,639£25.60 per month 
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NEXT DAY DELIVERY Emerald and Lab Diamond Cluster Necklace Pendant 9x7mm 18K White Gold

Emerald and Lab Diamond Cluster Necklace Pendant 9x7mm 18K White Gold

£1,599£25.60 per month 
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NEXT DAY DELIVERY Love Letter Initial U Lab Diamond Necklace set in 9K Yellow Gold

Love Letter Initial U Lab Diamond Necklace set in 9K Yellow Gold

£249 
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NEXT DAY DELIVERY LOW STOCKElla Blue Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Blue Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£2,219£32.00 per month 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'X' Necklace 0.05ct

925 Silver Lab Diamond Initial 'X' Necklace 0.05ct

£149 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'Q' Necklace 0.05ct

925 Silver Lab Diamond Initial 'Q' Necklace 0.05ct

£149 
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NEXT DAY DELIVERY Love Letter Initial Y Lab Diamond Necklace set in 18K Gold Vermeil

Love Letter Initial Y Lab Diamond Necklace set in 18K Gold Vermeil

£149 
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Ella Yellow Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Yellow Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£1,639£25.60 per month 
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Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

£1,449£22.39 per month 
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NEXT DAY DELIVERY Love Letter Initial Q Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial Q Lab Diamond Necklace set in 925 Sterling Silver

£149 
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NEXT DAY DELIVERY LOW STOCKElla Yellow Lab Diamond 1.38ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Yellow Lab Diamond 1.38ct Pendant Necklace in 18K White Gold - Elara Collection

£3,255£47.63 per month 
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Beatrice Pink Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

Beatrice Pink Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

£1,885£27.20 per month 
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NEXT DAY DELIVERY Georgina Yellow Lab Diamond Oval Halo Necklace 1.38ct in 18K White Gold - Elara Collection

Georgina Yellow Lab Diamond Oval Halo Necklace 1.38ct in 18K White Gold - Elara Collection

£3,255£47.63 per month 
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Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

£1,449£22.39 per month 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'U' Necklace 0.05ct

925 Silver Lab Diamond Initial 'U' Necklace 0.05ct

£149 
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NEXT DAY DELIVERY NEW INAstra 3.50ct Lab Ruby and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

Astra 3.50ct Lab Ruby and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

£159 
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NEXT DAY DELIVERY NEW INAstra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

Astra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

£149 
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NEXT DAY DELIVERY NEW INAstra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

Astra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

£239 
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NEXT DAY DELIVERY NEW INAstra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

£235 
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