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 241 - 288 of 427 products
Emerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

Emerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

£1,799£28.80 per month 
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NEXT DAY DELIVERY NEW INLove Letter Initial V Lab Diamond Necklace set in 18K Gold Vermeil

Love Letter Initial V Lab Diamond Necklace set in 18K Gold Vermeil

£149 
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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K Yellow Gold

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

£1,249
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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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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 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 LOW STOCKVivara 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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NEXT DAY DELIVERY LOW STOCKEmily 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 LOW STOCK10.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

10.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

£6,999
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

£699
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NEXT DAY DELIVERY NEW INLove Letter Initial Q Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'P' Necklace 0.05ct

925 Silver Lab Diamond Initial 'P' Necklace 0.05ct

£149 
9 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 Lab Diamond Tennis Necklace 5ct F/VS Quality in 9K White Gold

Lab Diamond Tennis Necklace 5ct F/VS Quality in 9K White Gold

£3,795£64.02 per month 
1 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 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 LOW STOCKLove Letter Initial X Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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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 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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NEXT DAY DELIVERY LOW STOCKLove Letter Initial F Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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3.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

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

£3,229
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NEXT DAY DELIVERY 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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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 '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 LOW STOCK1.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

1.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£799
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NEXT DAY DELIVERY LOW STOCK1.40ct 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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Initial 'P' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY NEW INLove Letter Initial U Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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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 NEW INLove Letter Initial W Lab Diamond Necklace set in 18K Gold Vermeil

Love Letter Initial W Lab Diamond Necklace set in 18K Gold Vermeil

£149 
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NEXT DAY DELIVERY 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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NEXT DAY DELIVERY NEW INLove Letter Initial Y Lab Diamond Necklace set in 18K Gold Vermeil

Love Letter Initial Y Lab Diamond Necklace set in 18K Gold Vermeil

£149 
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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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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 LOW STOCKLove Letter Initial I Lab Diamond Necklace set in 9K White Gold

Love Letter Initial I Lab Diamond Necklace set in 9K White Gold

£249 
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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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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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NEXT DAY DELIVERY LOW STOCKCertified Lab Diamond 1.00CT Emily Platinum Pendant Necklace F/VS

Certified Lab Diamond 1.00CT Emily Platinum Pendant Necklace F/VS

£1,149
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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 LOW STOCKGeorgina Yellow Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

Georgina Yellow Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

£3,255£47.63 per month 
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NEXT DAY DELIVERY NEW INLove Letter Initial O Lab Diamond Necklace set in 18K Gold Vermeil

Love Letter Initial O Lab Diamond Necklace set in 18K Gold Vermeil

£149 
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NEXT DAY DELIVERY LOW STOCKElla Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

£1,449£22.39 per month 
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NEXT DAY DELIVERY 8.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold F/VS

8.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold F/VS

£3,795
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Masami Lab Diamond Marquise Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

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

£175 
1 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial F Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial F Lab Diamond Necklace set in 925 Sterling Silver

£149 
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5.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

5.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

£3,925
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'I' Necklace 0.05ct

925 Silver Lab Diamond Initial 'I' Necklace 0.05ct

£149 
1 reviews
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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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