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 49 - 96 of 323 products
NEW INWanderlust Floating Lab Diamond Solitaire Necklace 2.00ct H/SI in 9K Yellow Gold

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

£1,599
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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 Emerald and Lab Diamond Cluster Pendant Necklace 0.52ct in 925 Silver

Emerald and Lab Diamond Cluster Pendant Necklace 0.52ct in 925 Silver

£175 
3 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

£149 
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NEXT DAY DELIVERY Lab Diamond Life Journey Necklace 0.50ct H/Si in 9K White Gold

Lab Diamond Life Journey Necklace 0.50ct H/Si in 9K White Gold

£485£8.30 per month 
9 reviews
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Initial 'S' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY 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

£1,499£28.58 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

£1,095£58.36 per month 
1 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

£349 
11 reviews
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NEXT DAY DELIVERY 0.80ct Emerald Asteria Lab Diamond Heart Pendant Necklace in 9K Gold

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

£379£8.49 per month 
4 reviews
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NEXT DAY DELIVERY Ella 0.30ct Halo Lab Diamond and 9K White Gold Pendant

Ella 0.30ct Halo Lab Diamond and 9K White Gold Pendant

£339 
9 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

£289 
6 reviews
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NEXT DAY DELIVERY Lab Diamond Heart Pendant Necklace 0.25ct H/Si in 9K White Gold

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

£289 
16 reviews
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NEXT DAY DELIVERY LOW STOCKVivara Lab Diamond Necklace 2.00ct H/SI in 9K Yellow Gold

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

£1,299
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NEW IN18K 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 Lab Diamond Halo Pendant Necklace 0.25ct H/Si in 9K White Gold

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

£289 
14 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 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 LOW STOCK1 Carat Cross Lab Diamond Necklace Pendant in 9K White Gold

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

£699£13.59 per month 
4 reviews
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NEXT DAY DELIVERY Emerald Pendant Necklace and Lab Diamonds in 925 Silver 7 x 5mm Centre

Emerald Pendant Necklace and Lab Diamonds in 925 Silver 7 x 5mm Centre

£249 
4 reviews
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NEXT DAY DELIVERY LOW STOCKElla Lab Diamond Halo 0.71ct Pendant Necklace in 18K Yellow Gold F/VS1

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

£1,399£23.13 per month 
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Channel Set 0.25ct H/Si in 9K Gold

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

£299 
8 reviews
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NEXT DAY DELIVERY Lab Diamond Life Journey Necklace 1.00ct H/Si in 9K White Gold

Lab Diamond Life Journey Necklace 1.00ct H/Si in 9K White Gold

£799£14.16 per month 
11 reviews
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NEXT DAY DELIVERY 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

£749£12.79 per month 
11 reviews
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

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

£699
1 reviews
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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

£299 
5 reviews
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NEXT DAY DELIVERY Lab Diamond Life Journey Pendant Necklace 0.25ct H/Si in 9K White Gold

Lab Diamond Life Journey Pendant Necklace 0.25ct H/Si in 9K White Gold

£235 
20 reviews
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NEXT DAY DELIVERY Triple Halo Lab Diamond Pendant Necklace 0.50ct H/Si in 9K White Gold

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

£479£8.94 per month 
6 reviews
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NEXT DAY DELIVERY 1.30ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

1.30ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£999
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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 £79 
2 reviews
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NEXT DAY DELIVERY 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

£379
2 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Necklace Channel Set 0.25ct H/Si in 9K White Gold

Lab Diamond Cross Necklace Channel Set 0.25ct H/Si in 9K White Gold

£299 
3 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si 9K White Gold

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

£469£11.09 per month 
7 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

£395
1 reviews
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NEXT DAY DELIVERY Stellato Lab Diamond Hamsa Pendant Necklace 0.13ct in 925 Silver

Stellato Lab Diamond Hamsa Pendant Necklace 0.13ct in 925 Silver

£199 
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NEXT DAY DELIVERY LOW STOCKWanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K Yellow Gold

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

£1,249
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NEW IN2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 925 Sterling Silver

2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 925 Sterling Silver

£239 
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NEXT DAY DELIVERY LOW STOCK2 Carat Cross Lab Diamond Necklace Pendant in 9K White Gold

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

£999£23.93 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCK15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

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

£8,499
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NEXT DAY DELIVERY 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

£749£12.79 per month 
2 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

£2,799£47.95 per month 
3 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 £79 
1 reviews
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NEXT DAY DELIVERY Lab Diamond Life Journey Pendant Necklace 0.25ct H/Si 9K White Gold

Lab Diamond Life Journey Pendant Necklace 0.25ct H/Si 9K White Gold

£245 
10 reviews
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NEXT DAY DELIVERY Lab Diamond Circle Necklace Pendant 1 Carat Set in 925 Silver

Lab Diamond Circle Necklace Pendant 1 Carat Set in 925 Silver

£375£8.40 per month 
5 reviews
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NEXT DAY DELIVERY 1ct Tanzanite and Lab Diamond Halo Oval Asteria Necklace in 9KW Gold

1ct Tanzanite and Lab Diamond Halo Oval Asteria Necklace in 9KW Gold

£475£9.39 per month 
2 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

£749£12.79 per month 
1 reviews
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NEXT DAY DELIVERY Lab Diamond Galileo Heart 1.10CT Pendant Necklace in 9K White Gold

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

£799£15.99 per month 
7 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'L' Necklace 0.05ct

925 Silver Lab Diamond Initial 'L' Necklace 0.05ct

£149 
15 reviews
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