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 1 - 48 of 324 products
NEXT DAY DELIVERY Lab Diamond Heart Pendant Necklace 0.25ct H/Si in 9K Gold

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

£289 
33 reviews
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NEW INWanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K Yellow Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K Yellow Gold

£849
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NEXT DAY DELIVERY 0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£499
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NEXT DAY DELIVERY NEW INVivara Lab Diamond Necklace 1.00ct H/SI in 9K Yellow Gold

Vivara Lab Diamond Necklace 1.00ct H/SI in 9K Yellow Gold

£949
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NEXT DAY DELIVERY LOW STOCKChloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K Yellow Gold

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

£2,449
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NEXT DAY DELIVERY Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 18K Gold Vermeil

Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 18K Gold Vermeil

£119 
6 reviews
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NEXT DAY DELIVERY LOW STOCKAnnabelle Pink Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

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

£1,885£27.20 per month 
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NEXT DAY DELIVERY NEW INVivara Lab Diamond Necklace 2.00ct H/SI in 9K White Gold

Vivara Lab Diamond Necklace 2.00ct H/SI in 9K White Gold

£1,299
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

£499£11.09 per month 
22 reviews
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NEXT DAY DELIVERY Astra 2.00ct Lab Sapphire and Diamond Halo Octagon Cut Necklace in Silver

Astra 2.00ct Lab Sapphire and Diamond Halo Octagon Cut Necklace in Silver

£245 
1 reviews
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Georgina Yellow Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

Georgina Yellow Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

£1,639£25.60 per month 
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NEXT DAY DELIVERY 2.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

2.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£1,349
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£699
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NEXT DAY DELIVERY 10.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

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

£4,555
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NEXT DAY DELIVERY Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K Gold

Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K Gold

£475£8.40 per month 
8 reviews
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NEXT DAY DELIVERY Vintage Heart Locket Lab Diamond Necklace White Topaz in 18K Gold Vermeil

Vintage Heart Locket Lab Diamond Necklace White Topaz in 18K Gold Vermeil

£109 
5 reviews
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NEXT DAY DELIVERY Vintage Heart Locket Lab Diamond Necklace White Topaz in 925 Silver

Vintage Heart Locket Lab Diamond Necklace White Topaz in 925 Silver

£109 
196 reviews
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NEXT DAY DELIVERY Chloe 0.25ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

Chloe 0.25ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

£249 
21 reviews
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NEXT DAY DELIVERY Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 925 Silver

Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 925 Silver

£119 
151 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Necklace Pendant 0.22ct set in 925 Silver

Lab Diamond Cross Necklace Pendant 0.22ct set in 925 Silver

£185 
29 reviews
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NEXT DAY DELIVERY NEW INWanderlust Floating Lab Diamond Solitaire Necklace 0.25ct H/SI in Silver

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

£189 
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NEXT DAY DELIVERY NEW INWanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

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

£249 
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NEXT DAY DELIVERY Infinity Necklace Lab Diamonds in 925 Sterling Silver

Infinity Necklace Lab Diamonds in 925 Sterling Silver

£129 
11 reviews
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NEW INWanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K White Gold

£849
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NEXT DAY DELIVERY Chloe 0.25ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

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

£249 
26 reviews
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NEXT DAY DELIVERY LOW STOCKWanderlust Floating Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K White Gold

£1,599
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NEXT DAY DELIVERY NEW INWanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Yellow Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Yellow Gold

£449
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NEXT DAY DELIVERY NEW INWanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

£449
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NEXT DAY DELIVERY NEW INWanderlust Floating Lab Diamond Solitaire Necklace 0.25ct H/SI in 18K Gold Vermeil

Wanderlust Floating Lab Diamond Solitaire Necklace 0.25ct H/SI in 18K Gold Vermeil

£189 
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NEXT DAY DELIVERY NEW INInfinity Necklace Lab Diamonds in 18K Gold Vermeil

Infinity Necklace Lab Diamonds in 18K Gold Vermeil

£135 
1 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si 9K White Gold

Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si 9K White Gold

£299 
6 reviews
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NEXT DAY DELIVERY Astra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in Silver

Astra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in Silver

£165 
3 reviews
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NEXT DAY DELIVERY NEW INWanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in Silver

Wanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in Silver

£249 
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NEXT DAY DELIVERY Lab Diamond Solitaire Pendant Necklace 0.05CT in 9K White Gold

Lab Diamond Solitaire Pendant Necklace 0.05CT in 9K White Gold

£149 
2 reviews
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

£499£11.09 per month 
6 reviews
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NEXT DAY DELIVERY 0.40ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

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

£399
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NEXT DAY DELIVERY Lab Diamond Halo Pendant Necklace 0.25ct H/Si in 9K Gold

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

£289 
5 reviews
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NEXT DAY DELIVERY NEW INLab Diamond Cross Necklace Pendant 0.22ct set in 18K Gold Vermeil

Lab Diamond Cross Necklace Pendant 0.22ct set in 18K Gold Vermeil

£185 
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2.50ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

2.50ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

£2,499
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NEXT DAY DELIVERY 0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

£395£8.71 per month 
9 reviews
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NEXT DAY DELIVERY 0.70ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

0.70ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£499
2 reviews
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NEXT DAY DELIVERY Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

£349 
23 reviews
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NEXT DAY DELIVERY Masami Lab Diamond Pear Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

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

£179 
3 reviews
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NEXT DAY DELIVERY Astra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in Silver

Astra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in Silver

£165 
6 reviews
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NEXT DAY DELIVERY 6.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

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

£2,799
1 reviews
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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 Chloe 1.00ct Lab Diamond Solitaire Necklace in Platinum F/VS1

Chloe 1.00ct Lab Diamond Solitaire Necklace in Platinum F/VS1

£1,095£58.36 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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