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 193 - 240 of 427 products
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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Initial 'J' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'K' Necklace 0.05ct

925 Silver Lab Diamond Initial 'K' Necklace 0.05ct

£149 
7 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 925 Silver Lab Diamond Initial 'C' Necklace 0.05ct

925 Silver Lab Diamond Initial 'C' Necklace 0.05ct

£149 
10 reviews
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'R' Necklace 0.05ct

925 Silver Lab Diamond Initial 'R' Necklace 0.05ct

£149 
7 reviews
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NEXT DAY DELIVERY LOW STOCK5.00ct Lab Diamond Flower Drop Necklace in 9K White Gold F/VS

5.00ct Lab Diamond Flower Drop Necklace in 9K White Gold F/VS

£3,999
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'D' Necklace 0.05ct

925 Silver Lab Diamond Initial 'D' Necklace 0.05ct

£149 
4 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial G Lab Diamond Necklace set in 18K Gold Vermeil

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

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

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

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

925 Silver Lab Diamond Initial 'E' Necklace 0.05ct

£149 
11 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial B Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

5.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold F/VS

£2,945
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NEXT DAY DELIVERY NEW INVivara Lab Sapphire and Lab Diamond Necklace Set in 9K White Gold

Vivara Lab Sapphire and Lab Diamond Necklace Set in 9K White Gold

£599
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NEXT DAY DELIVERY NEW INLove Letter Initial P Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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NEXT DAY DELIVERY LOW STOCKElla Lab Diamond Halo 0.71ct Pendant Necklace in 18K Yellow Gold F/VS1

Ella Lab Diamond Halo 0.71ct Pendant Necklace in 18K Yellow Gold F/VS1

£1,399£23.13 per month 
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial W Lab Diamond Necklace set in 9K Yellow Gold

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

£249 
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NEXT DAY DELIVERY Heart Necklace Pendant Lab Diamond 0.50ct in 9K White Gold

Heart Necklace Pendant Lab Diamond 0.50ct in 9K White Gold

£469£10.73 per month 
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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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Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

Annabelle Yellow Lab Diamond Emerald Cut Halo Necklace 0.70ct in 18KGold - Elara Collection

£1,639£25.60 per month 
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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 NEW INLove Letter Initial Z Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K Yellow Gold F/VS1

£599£13.36 per month 
6 reviews
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NEXT DAY DELIVERY LOW STOCKTanzanite and Lab Diamond Halo Pear Drop Asteria Necklace in 9KW Gold

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

£549£8.79 per month 
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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 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 LOW STOCK15.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

15.00ct Lab Diamond Tennis Necklace in 9K White Gold F/VS

£5,999
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NEXT DAY DELIVERY NEW IN18K Gold Princess Cut Lab Diamond Pendant Necklace 0.50CT F/VS

18K Gold Princess Cut Lab Diamond Pendant Necklace 0.50CT F/VS

£599
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NEW INCertified Lab Diamond 1.00CT Emily 18K Gold Pendant Necklace F/VS

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

£999
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NEXT DAY DELIVERY LOW STOCK18K Gold Lab Diamond Pear Shape Pendant Necklace 0.50CT F/VS

18K Gold Lab Diamond Pear Shape Pendant Necklace 0.50CT F/VS

£599
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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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NEXT DAY DELIVERY 10.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold F/VS

10.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold F/VS

£4,555
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NEXT DAY DELIVERY Chloe 18K White Gold Lab Diamond Solitaire Necklace 0.33CT F/VS

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

£445£8.24 per month 
4 reviews
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NEXT DAY DELIVERY Sapphire and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

Sapphire and Lab Diamond Cluster Necklace 9x7mm in 18K White Gold

£1,675£26.81 per month 
1 reviews
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NEXT DAY DELIVERY LOW STOCKLove Letter Initial W Lab Diamond Necklace set in 9K White Gold

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

£249 
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

925 Silver Lab Diamond Initial 'F' Necklace 0.05ct

£149 
1 reviews
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NEXT DAY DELIVERY NEW INLove Letter Initial D Lab Diamond Necklace set in 925 Sterling Silver

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

£149 
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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

£399
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NEXT DAY DELIVERY Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K Yellow Gold

Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K Yellow Gold

£1,895
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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

£4,845
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NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'J' Necklace 0.05ct

925 Silver Lab Diamond Initial 'J' Necklace 0.05ct

£149 
13 reviews
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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

£549£8.95 per month 
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Initial 'B' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
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NEXT DAY DELIVERY Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

Chloe 0.50ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

£599£13.36 per month 
4 reviews
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NEXT DAY DELIVERY Astra 2.40ct Lab Sapphire and Diamond Solitaire Cushion Cut Necklace in Silver

Astra 2.40ct Lab Sapphire and Diamond Solitaire Cushion Cut Necklace in Silver

£149 
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NEXT DAY DELIVERY NEW INLove Letter Initial N Lab Diamond Necklace set in 18K Gold Vermeil

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

£149 
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