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 241 - 288 of 504 products
NEXT DAY DELIVERY LOW STOCKCertified Lab Diamond 1.00CT Emily 18K Gold Pendant Necklace F/VS

Certified Lab Diamond 1.00CT Emily 18K Gold Pendant Necklace F/VS

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NEXT DAY DELIVERY LOW STOCKLove Letter Initial P Lab Diamond Necklace set in 9K Yellow Gold

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

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NEW INWanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K Gold

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

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NEXT DAY DELIVERY Love Letter Initial R Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial R Lab Diamond Necklace set in 925 Sterling Silver

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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

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NEXT DAY DELIVERY LOW STOCKWanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

Wanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

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Love Letter Initial V Lab Diamond Necklace set in 9K White Gold

Love Letter Initial V Lab Diamond Necklace set in 9K White Gold

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18K Gold Princess Cut Lab Diamond Pendant Necklace 0.33CT F/VS

18K Gold Princess Cut Lab Diamond Pendant Necklace 0.33CT F/VS

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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 LOW STOCKLab 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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NEXT DAY DELIVERY Astra 3.60ct Lab Ruby and Diamond Halo Round Cut Necklace in Silver

Astra 3.60ct Lab Ruby and Diamond Halo Round Cut Necklace in Silver

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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

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925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

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NEXT DAY DELIVERY NEW INHorizon Heart Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Gold

Horizon Heart Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Gold

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NEXT DAY DELIVERY NEW INHorizon Heart Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 9K Gold

Horizon Heart Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 9K Gold

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NEXT DAY DELIVERY NEW INWanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K White Gold

Wanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 1.00ct H/SI in 9K White Gold

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NEXT DAY DELIVERY LOW STOCKEmerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

Emerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

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NEXT DAY DELIVERY Love Letter Initial L Lab Diamond Necklace set in 9K White Gold

Love Letter Initial L Lab Diamond Necklace set in 9K White Gold

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NEXT DAY DELIVERY NEW INWanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 18K Gold Vermeil

Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 18K Gold Vermeil

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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 Tanzanite and Lab Diamond Halo Pear Drop Asteria Necklace in 9KW Gold

Tanzanite and Lab Diamond Halo Pear Drop Asteria Necklace in 9KW 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 LOW STOCKWanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K Gold

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

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NEXT DAY DELIVERY Masami 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

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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 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

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925 Silver Lab Diamond Initial 'I' Necklace 0.05ct

925 Silver Lab Diamond Initial 'I' Necklace 0.05ct

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

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

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

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

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

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

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NEXT DAY DELIVERY Love Letter Initial E Lab Diamond Necklace set in 9K White Gold

Love Letter Initial E Lab Diamond Necklace set in 9K White Gold

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NEXT DAY DELIVERY NEW INWanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 18K Gold Vermeil

Wanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 18K Gold Vermeil

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

Initial 'F' 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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Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

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NEXT DAY DELIVERY Love Letter Initial R Lab Diamond Necklace set in 18K Gold Vermeil

Love Letter Initial R Lab Diamond Necklace set in 18K Gold Vermeil

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NEXT DAY DELIVERY LOW STOCKKiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Kiera Platinum Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

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

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

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NEXT DAY DELIVERY LOW STOCKWanderlust Floating Princess Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Gold

Wanderlust Floating Princess Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Gold

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NEXT DAY DELIVERY 1.00ct 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

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NEXT DAY DELIVERY LOW STOCKVivara Lab Ruby and Lab Diamond Necklace Set in 9K Yellow Gold

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

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NEXT DAY DELIVERY LOW STOCKLove Letter Initial V Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial V Lab Diamond Necklace set in 925 Sterling Silver

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NEXT DAY DELIVERY 1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

1.00ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

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NEXT DAY DELIVERY Emily 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

Emily 18K White Gold Lab Diamond Pendant Necklace 0.33CT F/VS

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NEXT DAY DELIVERY Love Letter Initial L Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial L Lab Diamond Necklace set in 925 Sterling Silver

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NEXT DAY DELIVERY Love Letter Initial H Lab Diamond Necklace set in 925 Sterling Silver

Love Letter Initial H Lab Diamond Necklace set in 925 Sterling Silver

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NEXT DAY DELIVERY NEW INHorizon Emerald Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 9K Gold

Horizon Emerald Cut Lab Diamond Solitaire Necklace 0.25ct H/SI in 9K Gold

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

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

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BLACK FRIDAY SALE - ALL ITEMS REDUCED - LIMITED TIME ONLY BLACK FRIDAY SALE - ALL ITEMS REDUCED - LIMITED TIME ONLY
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