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 145 - 192 of 323 products
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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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 Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K Gold

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

£499£8.72 per month 
2 reviews
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Cross Pendant 1.00CT Lab Diamond 9K White Gold

Cross Pendant 1.00CT Lab Diamond 9K White Gold

On Sale £509£11.99 per month 
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NEXT DAY DELIVERY Chloe 18K Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

Chloe 18K Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

£515£8.24 per month 
5 reviews
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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 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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1.40ct Emerald Asteria Lab Diamond Halo Pendant Necklace in 9K Gold

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

£549£10.64 per month 
1 reviews
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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 1.40ct 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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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 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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NEW INOlivia Platinum Lab Diamond Pendant Necklace 0.33CT F/VS

Olivia Platinum Lab Diamond Pendant Necklace 0.33CT F/VS

£585
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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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NEW IN18K Gold Lab Diamond Pear Shape Pendant Necklace 0.50CT F/VS

18K Gold Lab Diamond Pear Shape Pendant Necklace 0.50CT F/VS

£599
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1ct 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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NEW INKeira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.50CT F/VS

Keira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.50CT F/VS

£599
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

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

£599£13.36 per month 
6 reviews
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NEW INVivara Lab Emerald and Lab Diamond Necklace Set in 9K White Gold

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

£599
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NEW INVivara Lab Emerald and Lab Diamond Necklace Set in 9K Yellow Gold

Vivara Lab Emerald and Lab Diamond Necklace Set in 9K Yellow Gold

£599
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NEW INVivara Lab Sapphire and Lab Diamond Necklace Set in 9K Yellow Gold

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

£599
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NEW INVivara Lab Ruby and Lab Diamond Necklace Set in 9K White Gold

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

£599
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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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NEW INVivara Lab Ruby and Lab Diamond Necklace Set in 9K Yellow Gold

Vivara Lab Ruby and Lab Diamond Necklace Set in 9K Yellow Gold

£599
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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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NEW IN18K Gold Princess Cut Lab Diamond Pendant Necklace 0.50CT F/VS

18K Gold Princess Cut Lab Diamond Pendant Necklace 0.50CT F/VS

£599
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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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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 1.20ct Sapphire Lab Diamond Drop Pendant Necklace in 9K White Gold

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

£599£9.20 per month 
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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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NEW INCertified Lab Diamond 0.50CT Emily 18K Gold Pendant Necklace F/VS

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

£645
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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 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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NEW INKiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.50CT F/VS

Kiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.50CT F/VS

£669
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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 Chloe 0.50ct Lab Diamond Solitaire Necklace in Platinum F/VS1

Chloe 0.50ct Lab Diamond Solitaire Necklace in Platinum F/VS1

£695£14.23 per month 
5 reviews
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£699
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NEXT DAY DELIVERY LOW STOCK1 Carat Cross Lab Diamond Necklace Pendant in 9K White Gold

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

£699£13.59 per month 
4 reviews
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

1.00ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£699
1 reviews
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Life Journey Lab Diamond Necklace 1.00ct H/Si in 9K White Gold

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

£699£14.33 per month 
4 reviews
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NEXT DAY DELIVERY Lab Diamond Moyen Galileo 1CT Pendant Necklace in 9K White Gold

Lab Diamond Moyen Galileo 1CT Pendant Necklace in 9K White Gold

£719£14.39 per month 
2 reviews
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NEXT DAY DELIVERY 1ct Lab Diamond Cluster Necklace Pendant H/Si in 9K White Gold

1ct Lab Diamond Cluster Necklace Pendant H/Si in 9K White Gold

£735£15.93 per month 
3 reviews
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NEW INCertified Lab Diamond 0.50CT Emily Platinum Pendant Necklace F/VS

Certified Lab Diamond 0.50CT Emily Platinum Pendant Necklace F/VS

£739
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NEXT DAY DELIVERY LOW STOCK1ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K Gold

1ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K Gold

£749£12.79 per month 
2 reviews
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1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set in 9K Gold

1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set in 9K Gold

£749£12.79 per month 
6 reviews
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NEXT DAY DELIVERY 1.00ct Lab Diamond Cross Necklace Claw Set H/Si in 9K White Gold

1.00ct Lab Diamond Cross Necklace Claw Set H/Si in 9K White Gold

£749£12.79 per month 
11 reviews
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NEXT DAY DELIVERY 1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set 9K White Gold

1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set 9K White Gold

£749£12.79 per month 
1 reviews
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NEXT DAY DELIVERY Lab Sapphire 9x7mm and Lab Diamond Cluster Necklace in 18K White Gold

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

£779£12.47 per month 
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