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 Lab Diamond Heart Pendant Necklace 0.25ct H/Si in 9K White Gold

Lab Diamond Heart Pendant Necklace 0.25ct H/Si in 9K White Gold

£289 
16 reviews
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Lab Diamond Halo Pendant Necklace 0.25ct H/Si in 9K White Gold

Lab Diamond Halo Pendant Necklace 0.25ct H/Si in 9K White Gold

£289 
14 reviews
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0.25ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

0.25ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

£295 
3 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si in 9K Gold

Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si in 9K Gold

£299 
7 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si 9K White Gold

Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si 9K White Gold

£299 
6 reviews
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Lab Diamond Cross Pendant Necklace Channel Set 0.25ct H/Si in 9K Gold

Lab Diamond Cross Pendant Necklace Channel Set 0.25ct H/Si in 9K Gold

£299 
8 reviews
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NEXT DAY DELIVERY Heart Necklace Pendant Lab Diamond 0.50ct in 925 Silver

Heart Necklace Pendant Lab Diamond 0.50ct in 925 Silver

£299 
5 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Necklace Channel Set 0.25ct H/Si in 9K White Gold

Lab Diamond Cross Necklace Channel Set 0.25ct H/Si in 9K White Gold

£299 
3 reviews
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NEXT DAY DELIVERY 0.33ct Lab Diamond Princess Cut Solitaire Necklace in 9K Gold

0.33ct Lab Diamond Princess Cut Solitaire Necklace in 9K Gold

£339 
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NEXT DAY DELIVERY Ella 0.30ct Halo Lab Diamond and 9K White Gold Pendant

Ella 0.30ct Halo Lab Diamond and 9K White Gold Pendant

£339 
9 reviews
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NEXT DAY DELIVERY Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

£349 
11 reviews
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NEXT DAY DELIVERY Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

£349 
23 reviews
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NEXT DAY DELIVERY 5 Stone Drop 0.33ct Lab Diamond and 9K White Gold Pendant G4066

5 Stone Drop 0.33ct Lab Diamond and 9K White Gold Pendant G4066

£349 
1 reviews
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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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NEXT DAY DELIVERY Ruby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

Ruby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

£349 
2 reviews
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2ct Blue Topaz and Lab Diamond Halo Asteria Necklace 9KW Gold

2ct Blue Topaz and Lab Diamond Halo Asteria Necklace 9KW Gold

£349 
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NEXT DAY DELIVERY Lab Diamond Circle Necklace Pendant 1 Carat Set in 925 Silver

Lab Diamond Circle Necklace Pendant 1 Carat Set in 925 Silver

£375£8.40 per month 
5 reviews
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NEXT DAY DELIVERY 0.80ct Ruby Asteria Lab Diamond Heart Pendant Necklace - 9K White Gold

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

£379£8.71 per month 
1 reviews
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NEXT DAY DELIVERY 0.80ct Emerald Asteria Lab Diamond Heart Pendant Necklace in 9K Gold

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

£379£8.49 per month 
4 reviews
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Chloe 18K Gold Lab Diamond Solitaire Necklace 0.25CT F/VS

Chloe 18K Gold Lab Diamond Solitaire Necklace 0.25CT F/VS

£379£9.16 per month 
5 reviews
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NEXT DAY DELIVERY LOW STOCK0.80ct 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 0.80ct Emerald Asteria Lab Diamond Heart Pendant Necklace in 9K White Gold

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

£379
3 reviews
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NEXT DAY DELIVERY Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.25CT F/VS

Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.25CT F/VS

£379£9.16 per month 
3 reviews
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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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0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

£395£8.71 per month 
9 reviews
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NEXT DAY DELIVERY 0.80ct Sapphire Asteria Lab Diamond Heart Pendant Necklace in 9K Gold

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

£395
1 reviews
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NEXT DAY DELIVERY 0.40ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

0.40ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

£399
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NEXT DAY DELIVERY NEW IN5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 925 Sterling Silver

5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 925 Sterling Silver

£399
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0.40ct Lab Diamond Halo Necklace in 9K White Gold F/VS

0.40ct Lab Diamond Halo Necklace in 9K White Gold F/VS

£399
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NEXT DAY DELIVERY 2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 9KW Gold

2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 9KW Gold

£399
1 reviews
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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 Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

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

£445£8.24 per month 
4 reviews
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Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

£449
1 reviews
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Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Yellow Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Yellow Gold

£449
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NEXT DAY DELIVERY Sapphire and Lab Diamond Oval Halo Necklace 9KW Gold Asteria

Sapphire and Lab Diamond Oval Halo Necklace 9KW Gold Asteria

£449£8.40 per month 
2 reviews
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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

£465£10.87 per month 
13 reviews
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Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si 9K White Gold

Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si 9K White Gold

£469£11.09 per month 
7 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si in 9K Gold

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

£469£10.87 per month 
1 reviews
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NEXT DAY DELIVERY Heart Necklace Pendant Lab Diamond 0.50ct in 9K White Gold

Heart Necklace Pendant Lab Diamond 0.50ct in 9K White Gold

£469£10.73 per month 
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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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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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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 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 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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NEW INEmily 18K Gold Lab Diamond Pendant Necklace 0.33CT F/VS

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

£475
1 reviews
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NEXT DAY DELIVERY 1ct Tanzanite and Lab Diamond Halo Oval Asteria Necklace in 9KW Gold

1ct Tanzanite and Lab Diamond Halo Oval Asteria Necklace in 9KW Gold

£475£9.39 per month 
2 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 
7 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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