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 289 - 336 of 427 products
NEXT DAY DELIVERY NEW INKiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Kiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

£585
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NEXT DAY DELIVERY NEW INOlivia 18K White Gold Lab Diamond Pendant Necklace 0.50CT F/VS

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

£599
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NEXT DAY DELIVERY LOW STOCKBeatrice Yellow Lab Diamond Cushion Cut Necklace 1.38ct in 18K Gold - Elara Collection

Beatrice Yellow Lab Diamond Cushion Cut Necklace 1.38ct in 18K Gold - Elara Collection

£3,255£47.63 per month 
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NEXT DAY DELIVERY NEW INLove Letter Initial P Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEXT DAY DELIVERY Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

£1,895
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NEW INLove Letter Initial V Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial I Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEXT DAY DELIVERY Lab Diamond Oval Galileo 0.52CT Pendant Necklace in 9K White Gold

Lab Diamond Oval Galileo 0.52CT Pendant Necklace in 9K White Gold

£549£8.95 per month 
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Initial 'B' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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Ruby 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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Emerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

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

£1,799£28.80 per month 
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7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold F/VS

7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold F/VS

£3,695
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NEXT DAY DELIVERY LOW STOCKVivara Lab Sapphire and Lab Diamond Necklace Set in 9K White Gold

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

£599
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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 1.30ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

1.30ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

£999
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial Q Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold F/VS

15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold F/VS

£8,499
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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£27.20 per month 
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7.00ct 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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Georgina Pink Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

Georgina Pink Lab Diamond Oval Halo Necklace 1.38ct in 18KGold - Elara Collection

£3,485£50.99 per month 
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5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

£2,945
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

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

£6,999
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NEXT DAY DELIVERY LOW STOCKCertified Lab Diamond 0.50CT Emily 18K White Gold Pendant Necklace F/VS

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

£645
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial V Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEXT DAY DELIVERY NEW INOlivia 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

Olivia 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

£499
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Initial 'C' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY LOW STOCKCertified Lab Diamond 0.50CT Emily 18K Gold Pendant Necklace F/VS

Certified Lab Diamond 0.50CT Emily 18K Gold Pendant Necklace F/VS

£645
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NEXT DAY DELIVERY Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in Silver

Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in Silver

£245 
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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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NEW INCertified 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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NEW INLove 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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5.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

5.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

£3,925
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Georgina Oval Lab Diamond Halo Pendant Necklace 0.70ct in 18K White Gold F/VS1

Georgina Oval Lab Diamond Halo Pendant Necklace 0.70ct in 18K White Gold F/VS1

£1,365£25.21 per month 
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NEXT DAY DELIVERY LOW STOCK18K Gold Lab Diamond Pear Shape Pendant Necklace 0.50CT F/VS

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

£599
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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

£549£8.79 per month 
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NEXT DAY DELIVERY NEW INLove Letter Initial Y Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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5.00ct Lab Diamond Flower Drop Necklace in 9K White Gold F/VS

5.00ct Lab Diamond Flower Drop Necklace in 9K White Gold F/VS

£3,999
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Ella Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

Ella Blue Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

£1,449£22.39 per month 
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NEXT DAY DELIVERY NEW INLove Letter Initial N Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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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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3.00ct 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 Ella Lab Diamond Halo Necklace in 18K White Gold 0.71ct F/VS1

Ella Lab Diamond Halo Necklace in 18K White Gold 0.71ct F/VS1

£1,255£23.45 per month 
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NEXT DAY DELIVERY LOW STOCKElla Pink Lab Diamond 0.71ct Pendant Necklace in 18K White Gold - Elara Collection

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

£1,885£27.20 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

£649£10.32 per month 
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925 Silver Lab Diamond Initial 'W' Necklace 0.05ct

925 Silver Lab Diamond Initial 'W' Necklace 0.05ct

£149 
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Lab 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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5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Gold F/VS

5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Gold F/VS

£2,945
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

£5,295
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