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 1 - 48 of 477 products
NEXT DAY DELIVERY Lab Diamond Heart Pendant Necklace 0.25ct H/Si in 9K Gold

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

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NEXT DAY DELIVERY LOW STOCKVivara Lab Diamond Necklace 2.00ct H/SI in 9K White Gold

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

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NEXT DAY DELIVERY Love Letter Initial O Lab Diamond Necklace set in 9K Yellow Gold

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

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NEXT DAY DELIVERY 6.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

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

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NEXT DAY DELIVERY Chloe 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

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NEXT DAY DELIVERY LOW STOCKVivara Lab Diamond Necklace 1.00ct H/SI in 9K Yellow Gold

Vivara Lab Diamond Necklace 1.00ct H/SI in 9K Yellow Gold

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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

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NEXT DAY DELIVERY LOW STOCKAnnabelle Pink Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

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

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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

Chloe 0.50ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

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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

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NEXT DAY DELIVERY LOW STOCKGeorgina Yellow Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

Georgina Yellow Lab Diamond Oval Halo Necklace 0.70ct in 18KGold - Elara Collection

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NEXT DAY DELIVERY LOW STOCK2.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

2.00ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K White Gold

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NEXT DAY DELIVERY Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K Gold

Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K Gold

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NEXT DAY DELIVERY Vintage Heart Locket Lab Diamond Necklace White Topaz in 925 Silver

Vintage Heart Locket Lab Diamond Necklace White Topaz in 925 Silver

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NEXT DAY DELIVERY Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 925 Silver

Lab Diamond Heart Necklace Pendant 0.10ct H/SI Set in 925 Silver

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NEXT DAY DELIVERY Lab Diamond Cross Necklace Pendant 0.22ct set in 925 Silver

Lab Diamond Cross Necklace Pendant 0.22ct set in 925 Silver

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NEXT DAY DELIVERY Chloe 0.25ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

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

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NEXT DAY DELIVERY Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

Chloe 0.33ct Lab Diamond Solitaire Necklace Pendant in 9K White Gold H/Si

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NEXT DAY DELIVERY Chloe 0.25ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

Chloe 0.25ct Lab Diamond Solitaire Necklace Pendant in 9K Yellow Gold H/Si

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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

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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

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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

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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

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NEXT DAY DELIVERY Infinity Necklace Lab Diamonds in 925 Sterling Silver

Infinity Necklace Lab Diamonds in 925 Sterling Silver

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NEXT DAY DELIVERY Lab Diamond Life Journey Pendant Necklace 0.50ct H/SI in 9K White Gold

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

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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

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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

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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

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NEXT DAY DELIVERY Lab Diamond Cluster Pendant Necklace 0.25ct H/Si in 9K White Gold

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

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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

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NEXT DAY DELIVERY 0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'E' Necklace 0.05ct

925 Silver Lab Diamond Initial 'E' Necklace 0.05ct

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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

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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

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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'M' Necklace 0.05ct

925 Silver Lab Diamond Initial 'M' Necklace 0.05ct

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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

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

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

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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'A' Necklace 0.05ct

925 Silver Lab Diamond Initial 'A' Necklace 0.05ct

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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

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NEXT DAY DELIVERY LOW STOCKElla 0.30ct Halo Lab Diamond and 9K White Gold Pendant

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

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NEXT DAY DELIVERY Astra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in Silver

Astra 3.20ct Lab Sapphire and Diamond Solitaire Pear Cut Necklace in Silver

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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

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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

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NEXT DAY DELIVERY Princess Cut Lab Diamond Pendant Necklace 0.15CT in 9K White Gold

Princess Cut Lab Diamond Pendant Necklace 0.15CT in 9K White Gold

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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'S' Necklace 0.05ct

925 Silver Lab Diamond Initial 'S' Necklace 0.05ct

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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.25ct H/Si in 9K Gold

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

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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

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NEXT DAY DELIVERY Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K White Gold

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

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