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.

Necklaces/Pendants xLab Grown Diamond xBlue Lab Grown Diamond xYellow Lab Grown Diamond xPink Lab Grown Diamond x
Showing 337 - 384 of 546 products
NEXT DAY DELIVERY 18K Gold Princess Cut Lab Diamond Pendant Necklace 0.33CT F/VS

18K Gold Princess Cut Lab Diamond Pendant Necklace 0.33CT F/VS

£449£13.46 per month 
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NEW INLUXE 33.00ct Lab Diamond Necklace with IGI Certified Oval-Cut Diamonds in 18K White Gold

LUXE 33.00ct Lab Diamond Necklace with IGI Certified Oval-Cut Diamonds in 18K White Gold

£14,749
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NEXT DAY DELIVERY Lumia Lab Diamond Halo Necklace 1.00ct F/VS in 9K White Gold

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

£649£19.46 per month 
1 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

£565£16.94 per month 
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NEXT DAY DELIVERY Love Letter Initial D Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY LOW STOCKAquamarine and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,315£39.44 per month 
2 reviews
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Initial 'Y' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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Annabelle Pink Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

Annabelle Pink Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

£1,885£56.54 per month 
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NEXT DAY DELIVERY 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

£259 
5 reviews
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Initial 'F' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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Initial 'W' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY Horizon Heart Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 925 Silver

Horizon Heart Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 925 Silver

£219 
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NEXT DAY DELIVERY Love 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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NEXT DAY DELIVERY LOW STOCKAnnabelle Lab Diamond 0.70ct Pendant Necklace in 18K Yellow Gold F/VS1

Annabelle Lab Diamond 0.70ct Pendant Necklace in 18K Yellow Gold F/VS1

£849£25.46 per month 
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NEXT DAY DELIVERY Love 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 1ct Lab Diamond Cluster Necklace Pendant H/Si in 9K White Gold

1ct Lab Diamond Cluster Necklace Pendant H/Si in 9K White Gold

£589£17.66 per month 
4 reviews
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NEXT DAY DELIVERY Love Letter Initial T Lab Diamond Necklace set in 9K White Gold

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

£249 
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Beatrice Blue Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

Beatrice Blue Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

£1,449£43.46 per month 
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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 Horizon Oval Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 925 Silver

Horizon Oval Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 925 Silver

£209 
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925 Silver Lab Diamond Initial 'V' Necklace 0.05ct

925 Silver Lab Diamond Initial 'V' Necklace 0.05ct

On Sale £109 
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NEXT DAY DELIVERY Love Letter Initial D Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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Ruby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

Ruby and Lab Diamond Halo Circle Necklace in 9KW Gold Asteria

On Sale £259 
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NEXT DAY DELIVERY Love 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 LOW STOCK5.00ct 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£117.74 per month 
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NEXT DAY DELIVERY LOW STOCKBeatrice Pink Lab Diamond Cushion Cut Necklace 0.70ct in 18K White Gold - Elara Collection

Beatrice Pink Lab Diamond Cushion Cut Necklace 0.70ct in 18K White Gold - Elara Collection

£1,885£56.54 per month 
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NEXT DAY DELIVERY Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

£249 
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Ella Pink Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Pink Lab Diamond 0.71ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£1,885£56.54 per month 
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NEXT DAY DELIVERY Horizon Round Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

Horizon Round Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

£475£14.24 per month 
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NEXT DAY DELIVERY Wanderlust Floating Princess Cut Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

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

£999£29.96 per month 
1 reviews
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NEXT DAY DELIVERY 15.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

15.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

£5,769£173.06 per month 
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NEXT DAY DELIVERY Love Letter Initial F Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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Beatrice Pink Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

Beatrice Pink Lab Diamond Cushion Cut Necklace 0.70ct in 18K Gold - Elara Collection

£1,885£56.54 per month 
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NEXT DAY DELIVERY LOW STOCKLUXE 27.00ct Lab Diamond Necklace with IGI Certified Mixed-Cut Diamonds in 18K White Gold

LUXE 27.00ct Lab Diamond Necklace with IGI Certified Mixed-Cut Diamonds in 18K White Gold

£13,199
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Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

Annabelle Blue Lab Diamond Emerald Cut Halo Necklace 1.38ct in 18KGold - Elara Collection

£2,219£66.56 per month 
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NEXT DAY DELIVERY Love Letter Initial N Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY Love Letter Initial G Lab Diamond Necklace set in 9K White Gold

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

£249 
1 reviews
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NEXT DAY DELIVERY Lumia Lab Diamond Halo Necklace 0.40ct F/VS in 9K Gold

Lumia Lab Diamond Halo Necklace 0.40ct F/VS in 9K Gold

£399£11.96 per month 
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NEXT DAY DELIVERY 7.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

7.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

£4,599£137.96 per month 
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NEXT DAY DELIVERY Vivara Lab Emerald and Lab Diamond Necklace Set in 9K White Gold

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

£599£17.96 per month 
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NEXT DAY DELIVERY Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 925 Silver

Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 925 Silver

£189 
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NEXT DAY DELIVERY LOW STOCKElla 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

£1,359£40.76 per month 
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NEXT DAY DELIVERY LOW STOCKOlivia 18K White Gold Lab Diamond Pendant Necklace 0.50CT F/VS

Olivia 18K White Gold Lab Diamond Pendant Necklace 0.50CT F/VS

£539£16.16 per month 
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NEXT DAY DELIVERY 5.40ct Blue Topaz and Lab Diamond Halo Necklace in 9K White Gold

5.40ct Blue Topaz and Lab Diamond Halo Necklace in 9K White Gold

£625£18.74 per month 
1 reviews
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NEXT DAY DELIVERY Horizon Emerald Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 9K Gold

Horizon Emerald Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 9K Gold

£345 
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NEXT DAY DELIVERY 1.00ct 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£23.96 per month 
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NEXT DAY DELIVERY Horizon Oval Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

Horizon Oval Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

£499£14.96 per month 
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Love Letter Initial V Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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