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 323 products
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 LOW STOCKLab Diamond Life Journey Necklace 1.00ct H/Si in 9K White Gold

Lab Diamond Life Journey Necklace 1.00ct H/Si in 9K White Gold

£799£14.16 per month 
11 reviews
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NEXT DAY DELIVERY Lab Diamond Galileo Heart 1.10CT Pendant Necklace in 9K White Gold

Lab Diamond Galileo Heart 1.10CT Pendant Necklace in 9K White Gold

£799£15.99 per month 
7 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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NEW INWanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K Yellow Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K Yellow Gold

£849
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NEW INWanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K White Gold

£849
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NEXT DAY DELIVERY Lab Diamond Carre Galileo 1.10CT Pendant Necklace in 9K White Gold

Lab Diamond Carre Galileo 1.10CT Pendant Necklace in 9K White Gold

£849£15.99 per month 
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NEXT DAY DELIVERY Lab Emerald 9x7mm and Lab Diamond Cluster Necklace Pendant 18K White Gold

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

£899£14.39 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCKVivara Lab Diamond Necklace 1.00ct H/SI in 9K Yellow Gold

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

£949
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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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NEXT DAY DELIVERY Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

£999£57.40 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCK2 Carat Cross Lab Diamond Necklace Pendant in 9K White Gold

2 Carat Cross Lab Diamond Necklace Pendant in 9K White Gold

£999£23.93 per month 
1 reviews
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NEXT DAY DELIVERY 1.30ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

1.30ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£999
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NEXT DAY DELIVERY Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

£999£57.40 per month 
3 reviews
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NEW INCertified 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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NEW INCertified Lab Diamond 1.00CT Emily 18K Gold Pendant Necklace F/VS

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

£999
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NEXT DAY DELIVERY 1.30ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

1.30ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£999
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NEXT DAY DELIVERY Chloe 1.00ct Lab Diamond Solitaire Necklace in Platinum F/VS1

Chloe 1.00ct Lab Diamond Solitaire Necklace in Platinum F/VS1

£1,095£58.36 per month 
1 reviews
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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 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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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 STOCKWanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

£1,249
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NEW INWanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K Yellow Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K Yellow Gold

£1,249
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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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NEXT DAY DELIVERY LOW STOCKVivara Lab Diamond Necklace 2.00ct H/SI in 9K White Gold

Vivara Lab Diamond Necklace 2.00ct H/SI in 9K White Gold

£1,299
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NEW INVivara Lab Diamond Necklace 2.00ct H/SI in 9K Yellow Gold

Vivara Lab Diamond Necklace 2.00ct H/SI in 9K Yellow Gold

£1,299
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NEXT DAY DELIVERY Aquamarine and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,335£21.37 per month 
1 reviews
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NEXT DAY DELIVERY 2.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

2.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£1,349
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NEXT DAY DELIVERY LOW STOCKGeorgina Oval Lab Diamond Halo Pendant Necklace 0.70ct in 18K White Gold F/VS1

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

£1,365£25.21 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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Ella Lab Diamond Halo 0.71ct Pendant Necklace in 18K Yellow Gold F/VS1

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

£1,399£23.13 per month 
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NEXT DAY DELIVERY LOW STOCKAnnabelle 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 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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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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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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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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Ella Blue Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

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

£1,449£22.39 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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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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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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Annabelle Lab Diamond 0.70ct Pendant Necklace in 18K White Gold F/VS1

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

£1,479£20.79 per month 
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NEXT DAY DELIVERY 2ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K White Gold

2ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K White Gold

£1,499£28.58 per month 
1 reviews
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NEW INWanderlust Floating Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K White Gold

£1,599
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NEW INWanderlust Floating Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K Yellow Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K Yellow Gold

£1,599
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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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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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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 LOW STOCKGeorgina Yellow Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

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

£1,639£25.60 per month 
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