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 289 - 336 of 427 products
NEXT DAY DELIVERY LOW STOCKLove Letter Initial I Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY LOW STOCK3.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

3.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

£3,229
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NEXT DAY DELIVERY LOW STOCKCertified Lab Diamond 0.50CT Emily 18K White Gold Pendant Necklace F/VS

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

£645
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NEXT DAY DELIVERY LOW STOCKCertified Lab Diamond 1.00CT Emily 18K White Gold Pendant Necklace F/VS

Certified Lab Diamond 1.00CT Emily 18K White Gold Pendant Necklace F/VS

£999
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NEXT DAY DELIVERY LOW STOCKAnnabelle Lab Diamond 1.38ct Pendant Necklace in 18K White Gold F/VS1

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

£1,995£40.01 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 STOCK1.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

1.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£799
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

7.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

£5,295
1 reviews
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NEXT DAY DELIVERY LOW STOCK8.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

8.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

£3,795
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'R' Necklace 0.05ct

925 Silver Lab Diamond Initial 'R' Necklace 0.05ct

£149 
7 reviews
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NEXT DAY DELIVERY LOW STOCKBeatrice Cushion Cut Lab Diamond Pendant Necklace 0.70ct in 18K White Gold F/VS1

Beatrice Cushion Cut Lab Diamond Pendant Necklace 0.70ct in 18K White Gold F/VS1

£1,195£23.13 per month 
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NEXT DAY DELIVERY NEW INOlivia 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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Initial 'B' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

Initial 'B' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

On Sale £79 
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NEXT DAY DELIVERY LOW STOCKLab Ruby 9x7mm and Lab Diamond Cluster Necklace Pendant in 18K White Gold

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

£779£12.47 per month 
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

£599£13.36 per month 
4 reviews
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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 LOW STOCK15.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

15.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

£5,999
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NEW INEmily Platinum Lab Diamond Pendant Necklace 0.33CT F/VS

Emily Platinum Lab Diamond Pendant Necklace 0.33CT F/VS

£539
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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 STOCKElla Blue Lab Diamond 1.38ct Pendant Necklace in 18K White Gold - Elara Collection

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

£2,219£32.00 per month 
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NEXT DAY DELIVERY 0.50ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

0.50ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

£495£10.64 per month 
3 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial Z Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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NEXT DAY DELIVERY LOW STOCK1ct Emerald Asteria Lab Diamond Drop Pendant Necklace in 9K White Gold

1ct Emerald Asteria Lab Diamond Drop Pendant Necklace in 9K White Gold

£599£9.59 per month 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'G' Necklace 0.05ct

925 Silver Lab Diamond Initial 'G' Necklace 0.05ct

£149 
5 reviews
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NEXT DAY DELIVERY NEW INKiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Kiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

£585
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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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Masami Lab Diamond Marquise Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

Masami Lab Diamond Marquise Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

£175 
1 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial F Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial X Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY 1ct Tanzanite and Lab Diamond Halo Oval Asteria Necklace in 9KW Gold

1ct Tanzanite and Lab Diamond Halo Oval Asteria Necklace in 9KW Gold

£475£9.39 per month 
2 reviews
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K White Gold F/VS

1.00ct Lab Diamond Halo Necklace in 9K White Gold F/VS

£699
1 reviews
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NEXT DAY DELIVERY Sapphire and Lab Diamond Halo Round Asteria Necklace 9KW Gold

Sapphire and Lab Diamond Halo Round Asteria Necklace 9KW Gold

£349 
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NEXT DAY DELIVERY NEW INEmily 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

Emily 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

£475
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'B' Necklace 0.05ct

925 Silver Lab Diamond Initial 'B' Necklace 0.05ct

£149 
1 reviews
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NEXT DAY DELIVERY Ella Lab Diamond Halo Necklace in 18K White Gold 0.71ct F/VS1

Ella Lab Diamond Halo Necklace in 18K White Gold 0.71ct F/VS1

£1,255£23.45 per month 
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NEXT DAY DELIVERY Sapphire and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

Sapphire and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

£1,675£26.81 per month 
1 reviews
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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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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

£5,295
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NEXT DAY DELIVERY NEW INLove Letter Initial H Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

£2,945
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'V' Necklace 0.05ct

925 Silver Lab Diamond Initial 'V' Necklace 0.05ct

£149 
2 reviews
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NEXT DAY DELIVERY LOW STOCK5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 9K Gold

5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 9K Gold

£649£10.39 per month 
3 reviews
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold F/VS

7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold F/VS

£3,695
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Tanzanite and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,599£25.60 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial F Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY LOW STOCKLove 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 STOCKAnnabelle Pink Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

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

£1,885£27.20 per month 
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5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Gold F/VS

5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Gold F/VS

£2,945
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