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

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

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NEXT DAY DELIVERY Sapphire and Lab Diamond Halo Round Asteria Necklace 9KW Gold

Sapphire and Lab Diamond Halo Round Asteria Necklace 9KW Gold

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

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

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

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

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NEXT DAY DELIVERY LOW STOCK5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 925 Sterling Silver

5.40ct Blue Topaz and Lab Diamond Halo Asteria Necklace in 925 Sterling Silver

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NEXT DAY DELIVERY Lab Diamond Life Journey Pendant Necklace 0.50ct H/Si in 9K White Gold

Lab Diamond Life Journey Pendant Necklace 0.50ct H/Si in 9K White Gold

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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 Lab Diamond Life Journey Pendant Necklace 0.50ct H/SI in 9K White Gold

Lab Diamond Life Journey Pendant Necklace 0.50ct H/SI in 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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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 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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1.40ct Emerald Lab Diamond Halo Pendant Necklace in 9K White Gold

1.40ct Emerald Lab Diamond Halo Pendant Necklace in 9K White Gold

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NEXT DAY DELIVERY Sapphire and Lab Diamond Halo Necklace in 9KW Gold - Asteria

Sapphire and Lab Diamond Halo Necklace in 9KW Gold - Asteria

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

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

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NEXT DAY DELIVERY LOW STOCK0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

0.80ct Sapphire Lab Diamond Heart Pendant Necklace in 9K White Gold

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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 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 LOW STOCK0.80ct Sapphire Asteria Lab Diamond Heart Pendant Necklace in 9K Gold

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

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

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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 0.40ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

0.40ct Lab Diamond Halo Necklace in 9K Yellow Gold F/VS

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NEXT DAY DELIVERY 0.40ct Lab Diamond Halo Necklace in 9K White Gold F/VS

0.40ct Lab Diamond Halo Necklace in 9K White Gold F/VS

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

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

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NEXT DAY DELIVERY Lab Diamond Life Journey Necklace 0.50ct H/Si in 9K White Gold

Lab Diamond Life Journey Necklace 0.50ct H/Si in 9K White Gold

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NEXT DAY DELIVERY LOW STOCKLab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K Gold

Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K Gold

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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Yellow Gold

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

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NEXT DAY DELIVERY Wanderlust Floating Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

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

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NEXT DAY DELIVERY Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K White Gold

Lab Diamond Pave Heart Pendant Necklace 0.50ct H/Si in 9K White Gold

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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 Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K Gold

Lab Diamond Halo Necklace Pendant 0.50ct H/Si Set in 9K Gold

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NEXT DAY DELIVERY 18K Gold Lab Diamond Pear Shape Pendant Necklace 0.33CT F/VS

18K Gold Lab Diamond Pear Shape Pendant Necklace 0.33CT F/VS

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NEXT DAY DELIVERY Lab Diamond Oval Galileo 0.52CT Pendant Necklace in 9K White Gold

Lab Diamond Oval Galileo 0.52CT Pendant Necklace 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 Keira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

Keira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.33CT F/VS

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

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

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

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

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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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NEW INHorizon Round Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K Gold

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

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NEW INHorizon Round Cut Lab Diamond Solitaire Necklace 0.50ct H/SI in 9K White Gold

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

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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si 9K White Gold

Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si 9K White Gold

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NEXT DAY DELIVERY Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si in 9K Gold

Lab Diamond Cross Pendant Necklace Claw Set 0.50ct H/Si in 9K Gold

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Certified Lab Diamond 0.50CT Emily 18K Gold Pendant Necklace F/VS

Certified Lab Diamond 0.50CT Emily 18K Gold Pendant Necklace F/VS

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NEXT DAY DELIVERY Certified Lab Diamond 0.50CT Emily 18K White Gold Pendant Necklace F/VS

Certified Lab Diamond 0.50CT Emily 18K White Gold Pendant Necklace F/VS

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NEXT DAY DELIVERY Emily Platinum Lab Diamond Pendant Necklace 0.33CT F/VS

Emily Platinum Lab Diamond Pendant Necklace 0.33CT F/VS

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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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