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 241 - 288 of 323 products
NEW INVivara Lab Sapphire and Lab Diamond Necklace Set in 9K White Gold

Vivara Lab Sapphire and Lab Diamond Necklace Set in 9K White Gold

£599
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Ella Lab Diamond Halo Necklace in 18K White Gold 1.30ct F/VS1

Ella Lab Diamond Halo Necklace in 18K White Gold 1.30ct F/VS1

£1,995£88.94 per month 
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

10.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

£6,999
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NEXT DAY DELIVERY LOW STOCK8.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

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

£3,795
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NEXT DAY DELIVERY 0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£475
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

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

£3,695
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NEW INCertified 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 STOCK0.40ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

0.40ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£399
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NEXT DAY DELIVERY Lab 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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Georgina Blue Lab Diamond Oval Halo Necklace 1.38ct in 18K White Gold - Elara Collection

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

£2,219£32.00 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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NEW INOlivia 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

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

£499
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NEXT DAY DELIVERY Sapphire and Lab Diamond Halo Necklace in 9KW Gold - Asteria

Sapphire and Lab Diamond Halo Necklace in 9KW Gold - Asteria

£385
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

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

£5,295
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NEXT DAY DELIVERY LOW STOCKAnnabelle Yellow Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

£3,255£47.63 per month 
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NEXT DAY DELIVERY LOW STOCKAnnabelle Pink Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18K White Gold - Elara Collection

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

£3,485£50.99 per month 
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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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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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Beatrice Cushion Cut Lab Diamond Pendant Necklace 0.70ct in 18K Yellow Gold F/VS1

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

£1,195£23.13 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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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 Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in Silver

Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in Silver

£245 
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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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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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NEXT DAY DELIVERY Tanzanite and Lab Diamond Halo Pear Drop Asteria Necklace in 9KW Gold

Tanzanite and Lab Diamond Halo Pear Drop Asteria Necklace in 9KW Gold

£549£8.79 per month 
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NEXT DAY DELIVERY LOW STOCK5.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

5.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

£3,925
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Beatrice Blue Lab Diamond Cushion Cut Necklace 1.38ct in 18K White Gold - Elara Collection

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

£2,219£32.00 per month 
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NEXT DAY DELIVERY Astra 3.60ct Lab Ruby and Diamond Halo Round Cut Necklace in Silver

Astra 3.60ct Lab Ruby and Diamond Halo Round Cut Necklace in Silver

£249 
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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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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 Ella Yellow Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

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

£3,255£47.63 per month 
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Annabelle Pink Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

Annabelle Pink Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

£3,485£50.99 per month 
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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 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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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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5.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

5.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

£3,925
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Initial 'F' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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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 STOCKElla 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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Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

£2,219£32.00 per month 
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NEXT DAY DELIVERY LOW STOCKBeatrice Pink Lab Diamond Cushion Cut Necklace 0.70ct in 18K White Gold - Elara Collection

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

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

Georgina Oval Lab Diamond Halo Pendant Necklace 0.70ct in 18K Yellow Gold F/VS1

£1,365£25.21 per month 
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NEW INCertified Lab Diamond 1.00CT Emily Platinum Pendant Necklace F/VS

Certified Lab Diamond 1.00CT Emily Platinum Pendant Necklace F/VS

£1,149
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

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

£4,999
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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 LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

£5,295
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NEXT DAY DELIVERY LOW STOCKBeatrice Blue Lab Diamond Cushion Cut Necklace 0.70ct in 18K White Gold - Elara Collection

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

£1,449£22.39 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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