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 323 products
NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'P' Necklace 0.05ct

925 Silver Lab Diamond Initial 'P' Necklace 0.05ct

£149 
9 reviews
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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 'Y' Necklace 0.05ct

925 Silver Lab Diamond Initial 'Y' Necklace 0.05ct

£149 
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925 Silver Lab Diamond Initial 'W' Necklace 0.05ct

925 Silver Lab Diamond Initial 'W' 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 
3 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 
6 reviews
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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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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

£175 
3 reviews
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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 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 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 NEW INLab 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 NEW INWanderlust 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 NEW INWanderlust 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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NEXT DAY DELIVERY 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 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 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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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 LOW STOCKAstra 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 
3 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 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 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 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 
21 reviews
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NEXT DAY DELIVERY NEW INWanderlust 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

£249 
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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 INWanderlust 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 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

£249 
4 reviews
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Astra 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

£249 
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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

£249 
7 reviews
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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

£249 
3 reviews
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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

£249 
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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

£249 
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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

£269 
4 reviews
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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

£289 
33 reviews
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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

£289 
14 reviews
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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

£289 
16 reviews
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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

£289 
6 reviews
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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

£295 
3 reviews
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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

£299 
6 reviews
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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

£299 
6 reviews
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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

£299 
8 reviews
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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

£299 
5 reviews
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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

£299 
3 reviews
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