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 97 - 144 of 477 products
NEXT DAY DELIVERY Sapphire and Lab Diamond Oval Halo Necklace 9KW Gold Asteria

Sapphire and Lab Diamond Oval Halo Necklace 9KW Gold Asteria

£441£8.40 per month 
2 reviews
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NEXT DAY DELIVERY 3.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

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

£2,849
2 reviews
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NEXT DAY DELIVERY Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K Gold

Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K Gold

£422£8.72 per month 
2 reviews
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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

£403£8.40 per month 
2 reviews
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NEXT DAY DELIVERY 0.33ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

0.33ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

£274 
2 reviews
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NEXT DAY DELIVERY Lab Diamond Moyen Galileo 1CT Pendant Necklace in 9K White Gold

Lab Diamond Moyen Galileo 1CT Pendant Necklace in 9K White Gold

£521£14.39 per month 
2 reviews
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NEXT DAY DELIVERY Aquamarine and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,249£21.37 per month 
2 reviews
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NEXT DAY DELIVERY NEW INAstra 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 
1 reviews
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NEXT DAY DELIVERY Love Letter Initial K Lab Diamond Necklace set in 9K White Gold

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

£236 
1 reviews
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NEXT DAY DELIVERY NEW INAstra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

Astra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

£227 
1 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

£935£57.40 per month 
1 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 2 Carat Cross F/VS Lab Diamond Necklace Pendant in 9K White Gold

2 Carat Cross F/VS Lab Diamond Necklace Pendant in 9K White Gold

£850£23.93 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCK6.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold F/VS

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

£2,659
1 reviews
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NEXT DAY DELIVERY 0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

£436
1 reviews
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2ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K White Gold

2ct Lab Diamond Cross Claw Set Necklace Pendant H/Si in 9K White Gold

£1,173£28.58 per month 
1 reviews
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NEXT DAY DELIVERY Love Letter Initial K Lab Diamond Necklace set in 9K Yellow Gold

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

£236 
1 reviews
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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

£403
1 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 £75 
1 reviews
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NEXT DAY DELIVERY LOW STOCKSapphire and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,572£26.81 per month 
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

£379
1 reviews
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NEXT DAY DELIVERY Love Letter Initial K Lab Diamond Necklace set in 925 Sterling Silver

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

£141 
1 reviews
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NEXT DAY DELIVERY 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

£166 
1 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si in 9K Gold

Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si in 9K Gold

£455£10.87 per month 
1 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'B' Necklace 0.05ct

925 Silver Lab Diamond Initial 'B' Necklace 0.05ct

£141 
1 reviews
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NEXT DAY DELIVERY LOW STOCKLab Diamond Tennis Necklace 5ct F/VS Quality in 9K White Gold

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

£2,830£64.02 per month 
1 reviews
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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

£983£58.36 per month 
1 reviews
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Initial 'E' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £75 
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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Astra 2.30ct Lab Emerald and Diamond Halo Round Cut Necklace in Silver

Astra 2.30ct Lab Emerald and Diamond Halo Round Cut Necklace in Silver

£236 
1 reviews
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NEXT DAY DELIVERY LOW STOCKLab Emerald 9x7mm and Lab Diamond Cluster Necklace Pendant 18K White Gold

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

£835£14.39 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

£318 
1 reviews
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1.40ct Emerald Asteria Lab Diamond Halo Pendant Necklace in 9K Gold

1.40ct Emerald Asteria Lab Diamond Halo Pendant Necklace in 9K Gold

£531£10.64 per month 
1 reviews
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NEXT DAY DELIVERY 1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set 9K White Gold

1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set 9K White Gold

£664£12.79 per month 
1 reviews
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NEXT DAY DELIVERY 18K Gold Lab Diamond Pear Shape Pendant Necklace 0.50CT F/VS

18K Gold Lab Diamond Pear Shape Pendant Necklace 0.50CT F/VS

£512
1 reviews
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K White Gold F/VS

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

£616
1 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

£1,895£42.34 per month 
1 reviews
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NEXT DAY DELIVERY Love Letter Initial H Lab Diamond Necklace set in 9K White Gold

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

£236 
1 reviews
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Initial 'D' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £75 
1 reviews
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

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

£4,165
1 reviews
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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

£379
1 reviews
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NEXT DAY DELIVERY LOW STOCKBeatrice Yellow Lab Diamond Cushion Cut Necklace 0.70ct in 18K White Gold - Elara Collection

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

£1,557£25.60 per month 
1 reviews
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NEXT DAY DELIVERY NEW IN16 Inch Havana Cuban Lab Diamond Necklace 1ct Set in 925 Silver

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

£949
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NEXT DAY DELIVERY NEW IN16 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

£949
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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 Love Letter Initial S Lab Diamond Necklace set in 9K Yellow Gold

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

£236 
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NEW IN21 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

£3,324
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NEXT DAY DELIVERY NEW IN21 Inch Havana Cuban Lab Diamond Necklace 1.20ct Set in 925 Silver

21 Inch Havana Cuban Lab Diamond Necklace 1.20ct Set in 925 Silver

£949
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