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 323 products
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
Compare
NEW INEmily 18K Gold Lab Diamond Pendant Necklace 0.33CT F/VS

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

£475
Compare
NEXT DAY DELIVERY LOW STOCK15.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

15.00ct Lab Diamond Tennis Necklace in 9K Yellow Gold G/VS

£5,999
Compare
1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set in 9K Gold

1ct Lab Diamond Cross Necklace Pendant H/Si Channel Set in 9K Gold

£749£12.79 per month 
6 reviews
Compare
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 
Compare
NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'S' Necklace 0.05ct

925 Silver Lab Diamond Initial 'S' Necklace 0.05ct

£149 
8 reviews
Compare
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 
Compare
NEW IN18K Gold Lab Diamond Pear Shape Pendant Necklace 0.33CT F/VS

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

£499
Compare
NEXT DAY DELIVERY Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

Chloe 1.00ct Lab Diamond Solitaire Necklace in 18K White Gold F/VS1

£999£57.40 per month 
3 reviews
Compare
NEXT DAY DELIVERY 925 Silver Lab Diamond Initial 'M' Necklace 0.05ct

925 Silver Lab Diamond Initial 'M' Necklace 0.05ct

£149 
10 reviews
Compare
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
Compare
NEXT DAY DELIVERY Chloe 1.50ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

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

£1,895
Compare
Life Journey Lab Diamond Necklace 1.00ct H/Si in 9K White Gold

Life Journey Lab Diamond Necklace 1.00ct H/Si in 9K White Gold

£699£14.33 per month 
4 reviews
Compare
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

£495£10.64 per month 
3 reviews
Compare
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

£379£8.71 per month 
1 reviews
Compare
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
Compare
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

£465£10.87 per month 
13 reviews
Compare
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

£249 
Compare
NEXT DAY DELIVERY 0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K Yellow Gold

0.50ct Lab Diamond Heart Pendant Necklace H/SI Quality in 9K Yellow Gold

£475
Compare
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 
Compare
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
Compare
NEXT DAY DELIVERY Emerald and Lab Diamond Cluster Necklace Pendant 9x7mm 18K White Gold

Emerald and Lab Diamond Cluster Necklace Pendant 9x7mm 18K White Gold

£1,599£25.60 per month 
Compare
NEXT DAY DELIVERY Lab Diamond Moyen Galileo 1CT Pendant Necklace in 9K White Gold

Lab Diamond Moyen Galileo 1CT Pendant Necklace in 9K White Gold

£719£14.39 per month 
2 reviews
Compare
NEXT DAY DELIVERY 3.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

3.00ct Lab Diamond Drop Tennis Necklace in 9K White Gold F/VS

£2,999
1 reviews
Compare
Initial 'H' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
1 reviews
Compare
NEXT DAY DELIVERY Lab Sapphire 9x7mm and Lab Diamond Cluster Necklace in 18K White Gold

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

£779£12.47 per month 
Compare
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
Compare
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

£469£10.87 per month 
1 reviews
Compare
NEW IN18K Gold Princess Cut Lab Diamond Pendant Necklace 0.33CT F/VS

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

£499
Compare
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
Compare
NEXT DAY DELIVERY LOW STOCK0.33ct Lab Diamond Princess Cut Solitaire Necklace in 9K Gold

0.33ct Lab Diamond Princess Cut Solitaire Necklace in 9K Gold

£339 
Compare
NEXT DAY DELIVERY LOW STOCKWanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

Wanderlust Floating Lab Diamond Solitaire Necklace 1.50ct H/SI in 9K White Gold

£1,249
Compare
Initial 'P' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
Compare
NEXT DAY DELIVERY Lab 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

£499£8.72 per month 
7 reviews
Compare
NEXT DAY DELIVERY LOW STOCK925 Silver Lab Diamond Initial 'A' Necklace 0.05ct

925 Silver Lab Diamond Initial 'A' Necklace 0.05ct

£149 
9 reviews
Compare
NEW INCertified Lab Diamond 1.00CT Emily 18K White Gold Pendant Necklace F/VS

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

£999
Compare
NEXT DAY DELIVERY Lab Emerald 9x7mm and Lab Diamond Cluster Necklace Pendant 18K White Gold

Lab Emerald 9x7mm and Lab Diamond Cluster Necklace Pendant 18K White Gold

£899£14.39 per month 
1 reviews
Compare
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
Compare
1ct Emerald Asteria Lab Diamond Drop Pendant Necklace in 9K White Gold

1ct Emerald Asteria Lab Diamond Drop Pendant Necklace in 9K White Gold

£599£9.59 per month 
Compare
Initial 'K' Necklace Lab Diamond Encrusted Pave Set in 925 Sterling Silver

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

On Sale £79 
Compare
NEXT DAY DELIVERY LOW STOCKChloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

Chloe 2.00ct Lab Diamond Solitaire Pendant Necklace F/VS Quality in 18K White Gold

£2,449
Compare
NEW INKeira 18K White Gold Pear Shape Lab Diamond Pendant Necklace 0.50CT F/VS

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

£599
Compare
NEXT DAY DELIVERY LOW STOCKEmerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

Emerald and Diamond Cluster Necklace Pendant 9x7mm in 18K White Gold

£1,799£28.80 per month 
Compare
NEXT DAY DELIVERY LOW STOCKBeatrice Cushion Cut Lab Diamond Pendant Necklace 0.70ct in 18K White Gold F/VS1

Beatrice Cushion Cut Lab Diamond Pendant Necklace 0.70ct in 18K White Gold F/VS1

£1,195£23.13 per month 
Compare
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

£429£10.51 per month 
9 reviews
Compare
NEXT DAY DELIVERY LOW STOCK15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

15.00ct Lab Diamond Tennis Necklace 3/4 Set in 9K White Gold G/VS

£8,499
Compare
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
Compare
NEXT DAY DELIVERY NEW INVivara Lab Diamond Necklace 1.00ct H/SI in 9K White Gold

Vivara Lab Diamond Necklace 1.00ct H/SI in 9K White Gold

£949
Compare
0 0
MY BAG

Your Bag is empty
Sign in to see your bag and get shopping!

SIGN IN