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 49 - 96 of 514 products
NEXT DAY DELIVERY 21 Inch Havana Cuban Lab Diamond Necklace 3.00ct Set in 18K Gold Vermeil

21 Inch Havana Cuban Lab Diamond Necklace 3.00ct Set in 18K Gold Vermeil

£1,515£45.44 per month 
1 reviews
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NEXT DAY DELIVERY Astra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

Astra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

£141 
5 reviews
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NEXT DAY DELIVERY 21 Inch Havana Cuban Lab Diamond Necklace 8.00ct Set in 18K Gold Vermeil

21 Inch Havana Cuban Lab Diamond Necklace 8.00ct Set in 18K Gold Vermeil

£3,317£99.50 per month 
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NEXT DAY DELIVERY LOW STOCKWanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K Gold

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

£943£28.28 per month 
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NEXT DAY DELIVERY 21 Inch Havana Cuban Lab Diamond Necklace 8.00ct Set in 925 Silver

21 Inch Havana Cuban Lab Diamond Necklace 8.00ct Set in 925 Silver

£3,317£99.50 per month 
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NEXT DAY DELIVERY Wanderlust 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

£1,184£35.51 per month 
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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

£378£11.33 per month 
6 reviews
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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

£141 
2 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 £74 
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NEXT DAY DELIVERY Love Letter Initial A Lab Diamond Necklace set in 9K Yellow Gold

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

£236 
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NEXT DAY DELIVERY Astra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

Astra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

£150 
4 reviews
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NEXT DAY DELIVERY 16 Inch Havana Cuban Lab Diamond Necklace 1ct Set in 18K Gold Vermeil

16 Inch Havana Cuban Lab Diamond Necklace 1ct Set in 18K Gold Vermeil

£947£28.40 per month 
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NEXT DAY DELIVERY Wanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Gold

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

£463£13.88 per month 
1 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si in 9K Gold

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

£283 
8 reviews
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NEW INHorizon Round Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 9K Gold

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

£283 
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NEXT DAY DELIVERY Love Letter Initial A Lab Diamond Necklace set in 925 Sterling Silver

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

£141 
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Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

On Sale £122 
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Lab Diamond Solitaire Pendant Necklace 0.15CT in 9K White Gold

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

On Sale £141 
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NEXT DAY DELIVERY NEW INAlegria Lab Emerald Pendant 0.75ct in 18K Gold Vermeil

Alegria Lab Emerald Pendant 0.75ct in 18K Gold Vermeil

£188 
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NEXT DAY DELIVERY LOW STOCKLab Diamond Galileo Heart 1.10CT Pendant Necklace in 9K White Gold

Lab Diamond Galileo Heart 1.10CT Pendant Necklace in 9K White Gold

£520£15.59 per month 
9 reviews
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NEXT DAY DELIVERY 16 Inch Havana Cuban Lab Diamond Necklace 1ct Set in 925 Silver

16 Inch Havana Cuban Lab Diamond Necklace 1ct Set in 925 Silver

£947£28.40 per month 
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NEW INLUXE 33.00ct Lab Diamond Necklace with IGI Certified Emerald-Cut Diamonds in 18K White Gold

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

£16,589
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NEXT DAY DELIVERY Wanderlust 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

£402£12.05 per month 
2 reviews
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NEXT DAY DELIVERY Astra 1.70ct Lab Emerald and Diamond Solitaire Cushion Cut Necklace in Silver

Astra 1.70ct Lab Emerald and Diamond Solitaire Cushion Cut Necklace in Silver

£141 
1 reviews
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NEXT DAY DELIVERY LOW STOCK0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

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

£378£11.33 per month 
11 reviews
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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

On Sale £122 
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NEXT DAY DELIVERY Wanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K White Gold

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

£681£20.42 per month 
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NEXT DAY DELIVERY Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K Gold

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

£1,278£38.33 per month 
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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

£279 
25 reviews
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Sapphire and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,568£47.03 per month 
1 reviews
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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in Silver

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

£236 
1 reviews
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NEW INHorizon Round Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Gold

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

£450£13.49 per month 
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NEXT DAY DELIVERY Wanderlust 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

£402£12.05 per month 
2 reviews
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1 Carat Cross Lab Diamond Necklace Pendant in 9K White Gold

1 Carat Cross Lab Diamond Necklace Pendant in 9K White Gold

£567£17.00 per month 
4 reviews
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NEXT DAY DELIVERY Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

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

£273 
12 reviews
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NEXT DAY DELIVERY NEW INAlegria Lab Ruby Pendant 0.90ct in 18K Gold Vermeil

Alegria Lab Ruby Pendant 0.90ct in 18K Gold Vermeil

£188 
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NEXT DAY DELIVERY Heart Necklace Pendant Lab Diamond 0.50ct in 925 Silver

Heart Necklace Pendant Lab Diamond 0.50ct in 925 Silver

£270 
5 reviews
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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

£255 
6 reviews
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Wanderlust 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

£947£28.40 per month 
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Initial 'L' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £74 
2 reviews
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NEXT DAY DELIVERY Wanderlust 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

£184 
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1.00ct Lab Diamond Cross Necklace Claw Set H/Si in 9K White Gold

1.00ct Lab Diamond Cross Necklace Claw Set H/Si in 9K White Gold

£662£19.85 per month 
13 reviews
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0.80ct Emerald Asteria Lab Diamond Heart Pendant Necklace in 9K White Gold

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

£368
3 reviews
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1ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K Gold

1ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K Gold

£662£19.85 per month 
3 reviews
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NEXT DAY DELIVERY Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

£933£27.98 per month 
1 reviews
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NEXT DAY DELIVERY Lab Diamond Tennis Necklace 3ct F/VS Quality in 9K White Gold

Lab Diamond Tennis Necklace 3ct F/VS Quality in 9K White Gold

£2,151£64.52 per month 
3 reviews
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NEXT DAY DELIVERY Wanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

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

£236 
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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

£150 
6 reviews
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