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 145 - 192 of 504 products
NEXT DAY DELIVERY LOW STOCKAstra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

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NEXT DAY DELIVERY LOW STOCKAstra 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

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NEXT DAY DELIVERY NEW INAstra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

Astra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil

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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 NEW INWanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

Wanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

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NEXT DAY DELIVERY NEW INWanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

Wanderlust Floating Oval Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

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NEXT DAY DELIVERY NEW INWanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

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NEXT DAY DELIVERY NEW INWanderlust Floating Princess Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

Wanderlust Floating Princess Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 925 Silver

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

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

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

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

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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in Silver

Wanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in Silver

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

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

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

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

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

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

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

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

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NEXT DAY DELIVERY NEW INWanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

Wanderlust Floating Heart Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

Wanderlust Floating Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

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

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

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NEXT DAY DELIVERY LOW STOCKAstra 2.30ct Lab Emerald and Diamond Halo Round Cut Necklace in Silver

Astra 2.30ct Lab Emerald and Diamond Halo Round Cut Necklace in Silver

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NEXT DAY DELIVERY Astra 3.50ct Lab Sapphire and Diamond Halo Round Cut Necklace in Silver

Astra 3.50ct Lab Sapphire and Diamond Halo Round Cut Necklace in Silver

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

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

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

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

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

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

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

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

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NEW INWanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

Wanderlust Floating Pear Cut Lab Diamond Solitaire Necklace 0.33ct H/SI in 18K Gold Vermeil

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

Love Letter Initial N Lab Diamond Necklace set in 9K White 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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