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 97 - 144 of 323 products
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 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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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 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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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'M' Necklace 0.05ct

925 Silver Lab Diamond Initial 'M' Necklace 0.05ct

£149 
10 reviews
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NEXT DAY DELIVERY Lab Diamond Cluster Pendant Necklace 0.25ct H/Si in 9K White Gold

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

£235 
11 reviews
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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 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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NEXT DAY DELIVERY LOW STOCK5.00ct Lab Diamond Flower Drop Necklace in 9K White Gold F/VS

5.00ct Lab Diamond Flower Drop Necklace in 9K White Gold F/VS

£3,999
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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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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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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 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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Initial 'L' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
2 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'C' Necklace 0.05ct

925 Silver Lab Diamond Initial 'C' Necklace 0.05ct

£149 
10 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 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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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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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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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 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 Sapphire and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,675£26.81 per month 
1 reviews
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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 STOCK7.00ct Lab Diamond Tennis Necklace in 9K White Gold HS/I

7.00ct Lab Diamond Tennis Necklace in 9K White Gold HS/I

£4,845
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Initial 'H' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
1 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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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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NEXT DAY DELIVERY LOW STOCK5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

£2,945
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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 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 STOCK925 Silver Lab Diamond Initial 'A' Necklace 0.05ct

925 Silver Lab Diamond Initial 'A' Necklace 0.05ct

£149 
9 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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Initial 'C' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY LOW STOCK0.33ct 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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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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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'J' Necklace 0.05ct

925 Silver Lab Diamond Initial 'J' Necklace 0.05ct

£149 
13 reviews
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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 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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Initial 'J' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY LOW STOCKAstra 2.30ct Lab Emerald and Diamond Halo Round Cut Necklace in Silver

Astra 2.30ct Lab Emerald and Diamond Halo Round Cut Necklace in Silver

£249 
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NEXT DAY DELIVERY Princess Cut Lab Diamond Pendant Necklace 0.15CT in 9K White Gold

Princess Cut Lab Diamond Pendant Necklace 0.15CT in 9K White Gold

£249 
7 reviews
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Astra 3.50ct Lab Ruby and Diamond Solitaire Pear Cut Necklace in Silver

Astra 3.50ct Lab Ruby and Diamond Solitaire Pear Cut Necklace in Silver

£165 
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

£429£10.51 per month 
9 reviews
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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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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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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 LOW STOCKChloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

Chloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

£2,449
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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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