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 193 - 240 of 427 products
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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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

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

£3,695
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NEXT DAY DELIVERY Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K White Gold

Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K White Gold

£475£8.40 per month 
2 reviews
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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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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'E' Necklace 0.05ct

925 Silver Lab Diamond Initial 'E' Necklace 0.05ct

£149 
11 reviews
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NEXT DAY DELIVERY NEW INKeira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Keira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

£499
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NEXT DAY DELIVERY Lab Diamond Life Journey Pendant Necklace 0.50ct H/Si in 9K White Gold

Lab Diamond Life Journey Pendant Necklace 0.50ct H/Si in 9K White Gold

£429£10.51 per month 
9 reviews
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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 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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Initial 'K' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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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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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 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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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 925 Silver Lab Diamond Initial 'N' Necklace 0.05ct

925 Silver Lab Diamond Initial 'N' Necklace 0.05ct

£149 
4 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 Lab Diamond Oval Galileo 0.52CT Pendant Necklace in 9K White Gold

Lab Diamond Oval Galileo 0.52CT Pendant Necklace in 9K White Gold

£549£8.95 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 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 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 STOCK1.50ct 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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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 LOW STOCK15.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

15.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

£5,999
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NEW INOlivia Platinum Lab Diamond Pendant Necklace 0.50CT F/VS

Olivia Platinum Lab Diamond Pendant Necklace 0.50CT F/VS

£669
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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 NEW INVivara Lab Diamond Necklace 1.00ct H/SI in 9K White Gold

Vivara Lab Diamond Necklace 1.00ct H/SI in 9K White Gold

£949
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Beatrice Pink Lab Diamond Cushion Cut Necklace 1.38ct in 18K Gold - Elara Collection

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

£3,485£50.99 per month 
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NEXT DAY DELIVERY Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

£175 
5 reviews
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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 5.40ct Blue Topaz and Lab Diamond Halo Necklace in 9K White Gold

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

£649£10.32 per month 
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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 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 925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

£149 
1 reviews
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Initial 'D' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
1 reviews
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NEXT DAY DELIVERY Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K White Gold

Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K White Gold

£499£8.72 per month 
7 reviews
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Emerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

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

£1,799£28.80 per month 
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NEXT DAY DELIVERY 0.80ct Ruby Asteria Lab Diamond Heart Pendant Necklace in 9K Gold

0.80ct Ruby Asteria Lab Diamond Heart Pendant Necklace in 9K Gold

£379
2 reviews
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NEXT DAY DELIVERY 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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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'H' Necklace 0.05ct

925 Silver Lab Diamond Initial 'H' Necklace 0.05ct

£149 
5 reviews
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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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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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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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1.40ct Sapphire Asteria Lab Diamond Halo Pendant Necklace 9KW Gold

1.40ct Sapphire Asteria Lab Diamond Halo Pendant Necklace 9KW Gold

£579£10.87 per month 
3 reviews
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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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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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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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NEXT DAY DELIVERY LOW STOCKGeorgina Yellow Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

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

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

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

£1,999£39.94 per month 
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