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 427 products
NEXT DAY DELIVERY LOW STOCK18K 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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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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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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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 LOW STOCKTanzanite 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 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 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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Initial 'R' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
1 reviews
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NEXT DAY DELIVERY 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 6.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold F/VS

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

£2,799
1 reviews
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NEXT DAY DELIVERY 6.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

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

£2,799
1 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 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 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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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 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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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 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 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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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'K' Necklace 0.05ct

925 Silver Lab Diamond Initial 'K' Necklace 0.05ct

£149 
7 reviews
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Initial 'E' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
1 reviews
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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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NEXT DAY DELIVERY 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 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 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 Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K Yellow Gold

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

£1,895
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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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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 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 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 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 LOW STOCKWanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

£1,249
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NEXT DAY DELIVERY LOW STOCK1ct 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 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 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 LOW STOCKLove Letter Initial Z Lab Diamond Necklace set in 9K Yellow Gold

Love Letter Initial Z Lab Diamond Necklace set in 9K Yellow Gold

£249 
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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 Lab Diamond Solitaire Pendant Necklace 0.15CT in 9K White Gold

Lab Diamond Solitaire Pendant Necklace 0.15CT in 9K White Gold

£199 
3 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'E' Necklace 0.05ct

925 Silver Lab Diamond Initial 'E' Necklace 0.05ct

£149 
11 reviews
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NEXT DAY DELIVERY 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 925 Silver Lab Diamond Initial 'D' Necklace 0.05ct

925 Silver Lab Diamond Initial 'D' Necklace 0.05ct

£149 
4 reviews
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NEXT DAY DELIVERY Astra 3.60ct Lab Ruby and Diamond Halo Round Cut Necklace in Silver

Astra 3.60ct Lab Ruby and Diamond Halo Round Cut Necklace in Silver

£249 
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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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Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

£1,639£25.60 per month 
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Ella Lab Diamond Halo Necklace in 18K White Gold 1.30ct F/VS1

Ella Lab Diamond Halo Necklace in 18K White Gold 1.30ct F/VS1

£1,995£88.94 per month 
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NEXT DAY DELIVERY Astra 2.00ct Lab Ruby and Diamond Solitaire Cushion Cut Necklace in Silver

Astra 2.00ct Lab Ruby and Diamond Solitaire Cushion Cut Necklace in Silver

£149 
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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 'T' Necklace 0.05ct

925 Silver Lab Diamond Initial 'T' Necklace 0.05ct

£149 
4 reviews
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