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 145 - 192 of 323 products
NEW IN5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 925 Sterling Silver

5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 925 Sterling Silver

£399
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NEXT DAY DELIVERY LOW STOCK5.00ct 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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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 £79 
1 reviews
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NEXT DAY DELIVERY LOW STOCK1.00ct 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
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'J' Necklace 0.05ct

925 Silver Lab Diamond Initial 'J' Necklace 0.05ct

£149 
13 reviews
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NEW INVivara 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 LOW STOCKAnnabelle Blue Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18K White Gold - Elara Collection

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

£1,449£22.39 per month 
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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

£735£15.93 per month 
3 reviews
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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 STOCK15.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

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

£5,999
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NEXT DAY DELIVERY LOW STOCKMasami 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

£175 
1 reviews
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NEW INVivara Lab Emerald and Lab Diamond Necklace Set in 9K White Gold

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

£599
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NEXT DAY DELIVERY Lab Diamond Carre Galileo 1.10CT Pendant Necklace in 9K White Gold

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

£849£15.99 per month 
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NEXT DAY DELIVERY Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K Yellow Gold

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

£1,895
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'K' Necklace 0.05ct

925 Silver Lab Diamond Initial 'K' Necklace 0.05ct

£149 
7 reviews
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Beatrice Cushion Cut Lab Diamond Pendant Necklace 1.38ct in 18K White Gold F/VS1

Beatrice Cushion Cut Lab Diamond Pendant Necklace 1.38ct in 18K White Gold F/VS1

£1,759£38.02 per month 
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NEW INKeira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Keira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

£499
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Beatrice Pink Lab Diamond Cushion Cut Necklace 1.38ct in 18K Gold - Elara Collection

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

£3,485£50.99 per month 
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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 £79 
1 reviews
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NEW INVivara Lab Emerald and Lab Diamond Necklace Set in 9K Yellow Gold

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

£599
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NEXT DAY DELIVERY LOW STOCKElla Blue Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

Ella Blue Lab Diamond 1.38ct Pendant Necklace in 18K Yellow Gold - Elara Collection

£2,219£32.00 per month 
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NEXT DAY DELIVERY Astra 2.00ct Lab Ruby and Diamond Solitaire Cushion Cut Necklace in Silver

Astra 2.00ct Lab Ruby and Diamond Solitaire Cushion Cut Necklace in Silver

£149 
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NEXT DAY DELIVERY 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

£475£8.40 per month 
2 reviews
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NEXT DAY DELIVERY LOW STOCK1.50ct Ruby Asteria Lab Diamond Halo Pendant Necklace 9K White Gold

1.50ct Ruby Asteria Lab Diamond Halo Pendant Necklace 9K White Gold

£585£9.27 per month 
3 reviews
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace in Platinum F/VS1

Chloe 0.50ct Lab Diamond Solitaire Necklace in Platinum F/VS1

£695£14.23 per month 
5 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'C' Necklace 0.05ct

925 Silver Lab Diamond Initial 'C' Necklace 0.05ct

£149 
10 reviews
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NEXT DAY DELIVERY LOW STOCK2ct Blue Topaz and Lab Diamond Halo Asteria Necklace 9KW Gold

2ct Blue Topaz and Lab Diamond Halo Asteria Necklace 9KW Gold

£349 
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Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

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

£1,639£25.60 per month 
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NEW INKiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.50CT F/VS

Kiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.50CT F/VS

£669
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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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NEXT DAY DELIVERY Lab Diamond Solitaire Pendant Necklace 0.15CT in 9K White Gold

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

£199 
3 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

£349 
1 reviews
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NEXT DAY DELIVERY 8.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

8.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

£3,795
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NEXT DAY DELIVERY Astra 3.50ct Lab Sapphire and Diamond Halo Round Cut Necklace in Silver

Astra 3.50ct Lab Sapphire and Diamond Halo Round Cut Necklace in Silver

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

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

£1,639£25.60 per month 
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NEXT DAY DELIVERY LOW STOCKLab 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

£269 
4 reviews
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Tanzanite and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

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

£1,599£25.60 per month 
1 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'D' Necklace 0.05ct

925 Silver Lab Diamond Initial 'D' Necklace 0.05ct

£149 
4 reviews
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NEW INVivara Lab Ruby and Lab Diamond Necklace Set in 9K Yellow Gold

Vivara Lab Ruby and Lab Diamond Necklace Set in 9K Yellow Gold

£599
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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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NEXT DAY DELIVERY LOW STOCK5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

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

£2,945
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NEXT DAY DELIVERY Sapphire and Lab Diamond Oval Halo Necklace 9KW Gold Asteria

Sapphire and Lab Diamond Oval Halo Necklace 9KW Gold Asteria

£449£8.40 per month 
2 reviews
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

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

£4,555
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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

£549£10.64 per month 
1 reviews
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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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5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Gold G/VS

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

£2,945
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NEXT DAY DELIVERY LOW STOCK5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 9K Gold

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

£649£10.39 per month 
3 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

£499£8.72 per month 
2 reviews
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