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
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 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 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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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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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 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 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 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 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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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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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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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 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 Yellow Gold

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

£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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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 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 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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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 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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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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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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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 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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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 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

£499£11.09 per month 
22 reviews
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NEXT DAY DELIVERY 0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£499
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

£499£11.09 per month 
6 reviews
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NEXT DAY DELIVERY 0.70ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

0.70ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£499
2 reviews
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NEW IN18K Gold Lab Diamond Pear Shape Pendant Necklace 0.33CT F/VS

18K Gold Lab Diamond Pear Shape 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 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 IN18K Gold Princess Cut Lab Diamond Pendant Necklace 0.33CT F/VS

18K Gold Princess Cut 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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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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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 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 Lab Diamond Life Journey Necklace 0.50ct H/Si in 9K White Gold

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

£485£8.30 per month 
9 reviews
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NEXT DAY DELIVERY Triple Halo Lab Diamond Pendant Necklace 0.50ct H/Si in 9K White Gold

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

£479£8.94 per month 
6 reviews
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NEXT DAY DELIVERY Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K Gold

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

£475£8.40 per month 
8 reviews
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NEW INEmily 18K Gold Lab Diamond Pendant Necklace 0.33CT F/VS

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

£475
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NEXT DAY DELIVERY 0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K Yellow Gold

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

£475
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