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 97 - 144 of 427 products
NEXT DAY DELIVERY LOW STOCKLove Letter Initial Y Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEW INLove Letter Initial X Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEW INLove Letter Initial U Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEW INLove Letter Initial Z Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEW INLove Letter Initial Q Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'N' Necklace 0.05ct

925 Silver Lab Diamond Initial 'N' Necklace 0.05ct

£149 
4 reviews
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NEXT DAY DELIVERY LOW STOCK925 Silver Lab Diamond Initial 'O' Necklace 0.05ct

925 Silver Lab Diamond Initial 'O' Necklace 0.05ct

£149 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'X' Necklace 0.05ct

925 Silver Lab Diamond Initial 'X' Necklace 0.05ct

£149 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'Q' Necklace 0.05ct

925 Silver Lab Diamond Initial 'Q' Necklace 0.05ct

£149 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'U' Necklace 0.05ct

925 Silver Lab Diamond Initial 'U' Necklace 0.05ct

£149 
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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

£165 
4 reviews
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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

£165 
7 reviews
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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

£165 
2 reviews
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Emerald and Lab Diamond Cluster Pendant Necklace 0.52ct in 925 Silver

Emerald and Lab Diamond Cluster Pendant Necklace 0.52ct in 925 Silver

£175 
4 reviews
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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

£175 
5 reviews
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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

£175 
1 reviews
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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

£179 
3 reviews
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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

£185 
29 reviews
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NEXT DAY DELIVERY Lab Diamond Cross Necklace Pendant 0.22ct set in 18K Gold Vermeil

Lab Diamond Cross Necklace Pendant 0.22ct set in 18K Gold Vermeil

£185 
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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 0.25ct H/SI in Silver

Wanderlust Floating Lab Diamond Solitaire Necklace 0.25ct H/SI in Silver

£189 
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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 0.25ct H/SI in 18K Gold Vermeil

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

£189 
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Stellato Lab Diamond Hamsa Pendant Necklace 0.13ct in 925 Silver

Stellato Lab Diamond Hamsa Pendant Necklace 0.13ct in 925 Silver

£199 
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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

£199 
3 reviews
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Circle Necklace Lab Diamond Pendant 0.10ct Set in 925 Silver

Circle Necklace Lab Diamond Pendant 0.10ct Set in 925 Silver

£199 
6 reviews
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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

£235 
20 reviews
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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

£235 
11 reviews
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NEW IN2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 925 Sterling Silver

2ct Blue Topaz and Lab Diamond Halo Square Necklace Asteria 925 Sterling Silver

£239 
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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

£245 
10 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 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in Silver

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

£245 
4 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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NEXT DAY DELIVERY NEW INLove Letter Initial S Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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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

£249 
22 reviews
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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

£249 
26 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial A Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial A Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial J Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial L Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEW INLove Letter Initial E Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial S Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial M Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEW INLove Letter Initial Z Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial C Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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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

£249 
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial O Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial K Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
1 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial J Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY NEW INLove Letter Initial B Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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