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
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 0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

£475
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NEXT DAY DELIVERY 0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K Yellow Gold

0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K Yellow Gold

£475
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NEXT DAY DELIVERY Vintage Heart Locket Lab Diamond Necklace White Topaz in 18K Gold Vermeil

Vintage Heart Locket Lab Diamond Necklace White Topaz in 18K Gold Vermeil

£109 
6 reviews
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NEXT DAY DELIVERY Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 18K Gold Vermeil

Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 18K Gold Vermeil

£119 
6 reviews
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NEXT DAY DELIVERY LOW STOCKChloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K Yellow Gold

Chloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K Yellow Gold

£2,449
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NEXT DAY DELIVERY LOW STOCKChloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

Chloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

£2,449
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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 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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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 STOCK15.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

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

£5,999
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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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NEXT DAY DELIVERY 10.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

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

£4,555
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NEXT DAY DELIVERY LOW STOCK8.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

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

£3,795
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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 6.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

6.00ct Lab Diamond Tennis Necklace in 9K White Gold G/VS

£2,799
1 reviews
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NEXT DAY DELIVERY 6.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

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

£2,799
1 reviews
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NEXT DAY DELIVERY LOW STOCK15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

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

£8,499
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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 LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

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

£5,295
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NEXT DAY DELIVERY LOW STOCK10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

10.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

£5,295
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

£3,695
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K Yellow Gold G/VS

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

£3,695
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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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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 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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NEXT DAY DELIVERY 1.30ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

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

£999
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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

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

£699
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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 0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

0.70ct Lab Diamond Halo Necklace in 9K Yellow Gold G/Vs

£499
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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 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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0.40ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

0.40ct Lab Diamond Halo Necklace in 9K White Gold G/Vs

£399
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NEXT DAY DELIVERY LOW STOCK7.00ct 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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5.00ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

5.00ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

£3,925
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2.50ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

2.50ct Lab Diamond Tennis Necklace in 9K White Gold H/SI

£2,499
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10.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

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

£6,459
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NEXT DAY DELIVERY LOW STOCK7.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

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

£4,999
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NEXT DAY DELIVERY LOW STOCK5.00ct 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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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

£2,999
1 reviews
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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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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 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

£5,295
1 reviews
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5.00ct Lab Diamond Cluster Tennis Necklace in 9K White Gold F/VS

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

£3,925
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NEXT DAY DELIVERY LOW STOCK3.00ct 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 Astra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in Silver

Astra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in Silver

£245 
3 reviews
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NEXT DAY DELIVERY Astra 2.00ct Lab Sapphire and Diamond Halo Octagon Cut Necklace in Silver

Astra 2.00ct Lab Sapphire and Diamond Halo Octagon Cut Necklace in Silver

£245 
1 reviews
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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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