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 477 products
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

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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

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

925 Silver Lab Diamond Initial 'R' Necklace 0.05ct

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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

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NEXT DAY DELIVERY Astra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in Silver

Astra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in Silver

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

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

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

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

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NEXT DAY DELIVERY 1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set in 9K Gold

1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set in 9K Gold

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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

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NEXT DAY DELIVERY Circle Necklace Lab Diamond Pendant 0.10ct Set in 925 Silver

Circle Necklace Lab Diamond Pendant 0.10ct Set in 925 Silver

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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

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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

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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

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NEXT DAY DELIVERY Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

Sapphire and Lab Diamond Cluster Pendant Necklace 6x4mm in 925 Silver

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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

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

925 Silver Lab Diamond Initial 'G' Necklace 0.05ct

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NEXT DAY DELIVERY Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

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

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

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

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

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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

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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

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NEXT DAY DELIVERY Lab 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

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NEXT DAY DELIVERY Astra 3.50ct Lab Ruby and Diamond Solitaire Pear Cut Necklace in Silver

Astra 3.50ct Lab Ruby and Diamond Solitaire Pear Cut Necklace in Silver

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NEXT DAY DELIVERY Ruby Pendant Necklace With Lab Diamonds in 925 Silver - 7 x 5mm Centre

Ruby Pendant Necklace With Lab Diamonds in 925 Silver - 7 x 5mm Centre

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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

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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

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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

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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'T' Necklace 0.05ct

925 Silver Lab Diamond Initial 'T' Necklace 0.05ct

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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

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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

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NEXT DAY DELIVERY 0.70ct Lab Diamond Halo Necklace in 9K White Gold F/VS

0.70ct Lab Diamond Halo Necklace in 9K White Gold F/VS

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NEXT DAY DELIVERY Masami Lab Diamond Pear Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

Masami Lab Diamond Pear Halo Necklace 0.10ct Pave Set in 925 Sterling Silver

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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

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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

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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

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NEXT DAY DELIVERY 0.50ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

0.50ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

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NEXT DAY DELIVERY 0.80ct Ruby Asteria Lab Diamond Heart Pendant Necklace in 9K Gold

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

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NEXT DAY DELIVERY 0.25ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

0.25ct Lab Diamond Princess Cut Solitaire Necklace in 9K White Gold

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1.40ct Sapphire Asteria Lab Diamond Halo Pendant Necklace 9KW Gold

1.40ct Sapphire Asteria Lab Diamond Halo Pendant Necklace 9KW Gold

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

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

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NEXT DAY DELIVERY Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.25CT F/VS

Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.25CT F/VS

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NEW INAstra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

Astra 2.40ct Lab Emerald and Diamond Solitaire Pear Cut Necklace in 18K Gold Vermeil

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NEXT DAY DELIVERY Infinity Necklace Lab Diamonds in 18K Gold Vermeil

Infinity Necklace Lab Diamonds in 18K Gold Vermeil

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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

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NEXT DAY DELIVERY 0.80ct Ruby Asteria Lab Diamond Heart Pendant Necklace - 9K White Gold

0.80ct Ruby Asteria Lab Diamond Heart Pendant Necklace - 9K White Gold

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NEXT DAY DELIVERY Lab Diamond Solitaire Pendant Necklace 0.05CT in 9K White Gold

Lab Diamond Solitaire Pendant Necklace 0.05CT in 9K White Gold

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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

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