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 49 - 96 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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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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2.50ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

2.50ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

£2,499
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NEXT DAY DELIVERY 6.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

6.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

£2,799
1 reviews
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NEXT DAY DELIVERY 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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NEXT DAY DELIVERY LOW STOCKLab 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 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 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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NEXT DAY DELIVERY LOW STOCKLab Diamond Life Journey Pendant Necklace 0.25ct H/Si 9K White Gold

Lab Diamond Life Journey Pendant Necklace 0.25ct H/Si 9K White Gold

£245 
10 reviews
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NEXT DAY DELIVERY Lab Diamond Halo Pendant Necklace 0.25ct H/Si in 9K Gold

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

£289 
6 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 0.40ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

0.40ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£399
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NEXT DAY DELIVERY Astra 1.70ct Lab Emerald and Diamond Solitaire Cushion Cut Necklace in Silver

Astra 1.70ct Lab Emerald and Diamond Solitaire Cushion Cut Necklace in Silver

£149 
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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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NEXT DAY DELIVERY LOW STOCKChloe 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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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
2 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 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 Emerald and Lab Diamond Cluster Pendant Necklace 0.52ct in 925 Silver

Emerald and Lab Diamond Cluster Pendant Necklace 0.52ct in 925 Silver

£175 
3 reviews
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NEXT DAY DELIVERY Lab Diamond Tennis Necklace 3ct F/VS Quality in 9K White Gold

Lab Diamond Tennis Necklace 3ct F/VS Quality in 9K White Gold

£2,799£47.95 per month 
3 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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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 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 6.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

6.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

£2,799
1 reviews
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NEXT DAY DELIVERY LOW STOCK15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

£8,499
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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 Stellato Lab Diamond Hamsa Pendant Necklace 0.13ct in 925 Silver

Stellato Lab Diamond Hamsa Pendant Necklace 0.13ct in 925 Silver

£199 
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NEXT DAY DELIVERY Masami Lab Diamond Pear Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

Masami Lab Diamond Pear Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

£179 
3 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 
12 reviews
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NEW IN2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 925 Sterling Silver

2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 925 Sterling Silver

£239 
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NEXT DAY DELIVERY LOW STOCK2ct 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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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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NEXT DAY DELIVERY 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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NEXT DAY DELIVERY LOW STOCK15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

£8,499
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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 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 
3 reviews
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NEXT DAY DELIVERY Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

£1,895
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NEXT DAY DELIVERY 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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NEXT DAY DELIVERY 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 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 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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Initial 'A' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY 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 Life Journey Pendant Necklace 0.25ct H/Si in 9K White Gold

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

£235 
20 reviews
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NEXT DAY DELIVERY LOW STOCK0.70ct 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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NEXT DAY DELIVERY 3.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

3.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

£2,999
1 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'L' Necklace 0.05ct

925 Silver Lab Diamond Initial 'L' Necklace 0.05ct

£149 
15 reviews
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