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 145 - 192 of 427 products
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 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 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 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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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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NEXT DAY DELIVERY LOW STOCKElla Blue Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Blue Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£2,219£32.00 per month 
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NEXT DAY DELIVERY Astra 2.40ct Lab Sapphire and Diamond Solitaire Cushion Cut Necklace in Silver

Astra 2.40ct Lab Sapphire and Diamond Solitaire Cushion Cut Necklace in Silver

£149 
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NEXT DAY DELIVERY LOW STOCKCertified Lab Diamond 1.00CT Emily 18K Gold Pendant Necklace F/VS

Certified Lab Diamond 1.00CT Emily 18K Gold Pendant Necklace F/VS

£999
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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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NEXT DAY DELIVERY NEW INVivara Lab Emerald and Lab Diamond Necklace Set in 9K White Gold

Vivara Lab Emerald and Lab Diamond Necklace Set in 9K White Gold

£599
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0.40ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

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

£399
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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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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 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 925 Silver Lab Diamond Initial 'V' Necklace 0.05ct

925 Silver Lab Diamond Initial 'V' Necklace 0.05ct

£149 
2 reviews
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NEXT DAY DELIVERY LOW STOCK3.00ct 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 Ruby Pendant Necklace With Lab Diamonds in 925 Silver - 7 x 5mm Centre

Ruby Pendant Necklace With Lab Diamonds in 925 Silver - 7 x 5mm Centre

£249 
3 reviews
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Ella Lab Diamond Halo 1.38ct Pendant Necklace in 18K Yellow Gold F/VS1

Ella Lab Diamond Halo 1.38ct Pendant Necklace in 18K Yellow Gold F/VS1

£1,995£42.34 per month 
1 reviews
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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 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 STOCKChloe 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 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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NEXT DAY DELIVERY 1.30ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

1.30ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£999
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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 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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Lab Diamond Star Cluster Pendant Necklace 0.25ct H/Si 9K White Gold

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

£269 
4 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 Circle Necklace Lab Diamond Pendant 0.10ct Set in 925 Silver

Circle Necklace Lab Diamond Pendant 0.10ct Set in 925 Silver

£199 
6 reviews
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NEXT DAY DELIVERY LOW STOCKRuby and Lab Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

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

£1,675£26.81 per month 
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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 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 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 LOW STOCK10.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

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

£4,555
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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 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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NEXT DAY DELIVERY LOW STOCKWanderlust 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 0.50ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

0.50ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

£495£10.64 per month 
3 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 LOW STOCKLab Ruby 9x7mm and Lab Diamond Cluster Necklace Pendant in 18K White Gold

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

£779£12.47 per month 
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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 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 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 8.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

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

£3,795
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10.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

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

£6,459
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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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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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