IGI Certified Diamonds

(251,589)

As a globally recognised diamond grading institution, IGI is dedicated to providing an accurate, trustworthy and unbiased evaluation of your diamonds. It screens the diamonds using strict international grading systems based on a range of factors, including but not limited to the 4 C’s: Carat, Colour, Clarity and Cut.

... Read More

Filters

  Reset
basic
advanced
Advanced Filters
1.01 carat e VS1 EX Cut IGI pear diamond
1.01 carat pear diamond thumb image

1.01 carat pear diamond

e | VS1 | EX | IGI

£324 £463

Add to Compare

FLAT 30% OFF

1.01 carat d VS1 EX Cut IGI oval diamond
1.01 carat oval diamond thumb image

1.01 carat oval diamond

d | VS1 | EX | IGI

£345 £493

Add to Compare

FLAT 30% OFF

1 carat d VVS2 EX Cut IGI pear diamond
1 carat pear diamond thumb image

1 carat pear diamond

d | VVS2 | EX | IGI

£350 £500

Add to Compare

FLAT 30% OFF

1 carat d VVS2 EX Cut IGI pear diamond
1 carat pear diamond thumb image

1 carat pear diamond

d | VVS2 | EX | IGI

£350 £500

Add to Compare

FLAT 30% OFF

1.01 carat d VVS2 EX Cut IGI pear diamond
1.01 carat pear diamond thumb image

1.01 carat pear diamond

d | VVS2 | EX | IGI

£354 £506

Add to Compare

FLAT 30% OFF

1.07 carat d VS1 EX Cut IGI marquise diamond
1.07 carat marquise diamond thumb image

1.07 carat marquise diamond

d | VS1 | EX | IGI

£357 £510

Add to Compare

FLAT 30% OFF

1.02 carat d VVS2 EX Cut IGI pear diamond
1.02 carat pear diamond thumb image

1.02 carat pear diamond

d | VVS2 | EX | IGI

£357 £510

Add to Compare

FLAT 30% OFF

1.08 carat d VS1 EX Cut IGI marquise diamond
1.08 carat marquise diamond thumb image

1.08 carat marquise diamond

d | VS1 | EX | IGI

£360 £514

Add to Compare

FLAT 30% OFF

1.04 carat e VVS2 ID Cut IGI round diamond
1.04 carat round diamond thumb image

1.04 carat round diamond

e | VVS2 | ID | IGI

£360 £514

Add to Compare

FLAT 30% OFF

1.03 carat d VVS2 EX Cut IGI pear diamond
1.03 carat pear diamond thumb image

1.03 carat pear diamond

d | VVS2 | EX | IGI

£361 £516

Add to Compare

FLAT 30% OFF

1.06 carat e VVS2 EX Cut IGI oval diamond
1.06 carat oval diamond thumb image

1.06 carat oval diamond

e | VVS2 | EX | IGI

£362 £517

Add to Compare

FLAT 30% OFF

1.05 carat e VVS2 EX Cut IGI pear diamond
1.05 carat pear diamond thumb image

1.05 carat pear diamond

e | VVS2 | EX | IGI

£363 £519

Add to Compare

FLAT 30% OFF

1.12 carat d VS1 EX Cut IGI princess diamond
1.12 carat princess diamond thumb image

1.12 carat princess diamond

d | VS1 | EX | IGI

£364 £520

Add to Compare

FLAT 30% OFF

1.12 carat e VVS2 EX Cut IGI princess diamond
1.12 carat princess diamond thumb image

1.12 carat princess diamond

e | VVS2 | EX | IGI

£369 £527

Add to Compare

FLAT 30% OFF

1.11 carat e VVS2 EX Cut IGI marquise diamond
1.11 carat marquise diamond thumb image

1.11 carat marquise diamond

e | VVS2 | EX | IGI

£370 £529

Add to Compare

FLAT 30% OFF

1.11 carat e VVS2 EX Cut IGI marquise diamond
1.11 carat marquise diamond thumb image

1.11 carat marquise diamond

e | VVS2 | EX | IGI

£370 £529

Add to Compare

FLAT 30% OFF

1.11 carat d VS1 EX Cut IGI marquise diamond
1.11 carat marquise diamond thumb image

1.11 carat marquise diamond

d | VS1 | EX | IGI

£370 £529

Add to Compare

FLAT 30% OFF

1.06 carat d VVS2 EX Cut IGI pear diamond
1.06 carat pear diamond thumb image

1.06 carat pear diamond

d | VVS2 | EX | IGI

£371 £530

Add to Compare

FLAT 30% OFF

1.06 carat d VVS2 EX Cut IGI pear diamond
1.06 carat pear diamond thumb image

1.06 carat pear diamond

d | VVS2 | EX | IGI

£371 £530

Add to Compare

FLAT 30% OFF

1.09 carat d VVS2 EX Cut IGI princess diamond
1.09 carat princess diamond thumb image

1.09 carat princess diamond

d | VVS2 | EX | IGI

£372 £531

Add to Compare

FLAT 30% OFF

1.13 carat e VVS2 EX Cut IGI princess diamond
1.13 carat princess diamond thumb image

1.13 carat princess diamond

e | VVS2 | EX | IGI

£372 £531

Add to Compare

FLAT 30% OFF

1.05 carat d VVS2 EX Cut IGI oval diamond
1.05 carat oval diamond thumb image

1.05 carat oval diamond

d | VVS2 | EX | IGI

£372 £531

Add to Compare

FLAT 30% OFF

1.12 carat d VS1 EX Cut IGI marquise diamond
1.12 carat marquise diamond thumb image

1.12 carat marquise diamond

d | VS1 | EX | IGI

£373 £533

Add to Compare

FLAT 30% OFF

1.12 carat e VVS2 EX Cut IGI marquise diamond
1.12 carat marquise diamond thumb image

1.12 carat marquise diamond

e | VVS2 | EX | IGI

£373 £533

Add to Compare

FLAT 30% OFF

1.12 carat d VS1 EX Cut IGI pear diamond
1.12 carat pear diamond thumb image

1.12 carat pear diamond

d | VS1 | EX | IGI

£373 £533

Add to Compare

FLAT 30% OFF

1.08 carat e VVS2 EX Cut IGI pear diamond
1.08 carat pear diamond thumb image

1.08 carat pear diamond

e | VVS2 | EX | IGI

£374 £534

Add to Compare

FLAT 30% OFF

1.14 carat e VVS2 EX Cut IGI princess diamond
1.14 carat princess diamond thumb image

1.14 carat princess diamond

e | VVS2 | EX | IGI

£375 £536

Add to Compare

FLAT 30% OFF

1.13 carat d VS1 EX Cut IGI marquise diamond
1.13 carat marquise diamond thumb image

1.13 carat marquise diamond

d | VS1 | EX | IGI

£377 £539

Add to Compare

FLAT 30% OFF

1.13 carat d VS1 EX Cut IGI marquise diamond
1.13 carat marquise diamond thumb image

1.13 carat marquise diamond

d | VS1 | EX | IGI

£377 £539

Add to Compare

FLAT 30% OFF

1.13 carat d VS1 EX Cut IGI marquise diamond
1.13 carat marquise diamond thumb image

1.13 carat marquise diamond

d | VS1 | EX | IGI

£377 £539

Add to Compare

FLAT 30% OFF

1.13 carat e VVS2 EX Cut IGI marquise diamond
1.13 carat marquise diamond thumb image

1.13 carat marquise diamond

e | VVS2 | EX | IGI

£377 £539

Add to Compare

FLAT 30% OFF

1.13 carat d VS1 EX Cut IGI marquise diamond
1.13 carat marquise diamond thumb image

1.13 carat marquise diamond

d | VS1 | EX | IGI

£377 £539

Add to Compare

FLAT 30% OFF

1.13 carat e VVS2 EX Cut IGI marquise diamond
1.13 carat marquise diamond thumb image

1.13 carat marquise diamond

e | VVS2 | EX | IGI

£377 £539

Add to Compare

FLAT 30% OFF

1.11 carat d VVS2 EX Cut IGI princess diamond
1.11 carat princess diamond thumb image

1.11 carat princess diamond

d | VVS2 | EX | IGI

£379 £541

Add to Compare

FLAT 30% OFF

1.11 carat d VVS2 EX Cut IGI princess diamond
1.11 carat princess diamond thumb image

1.11 carat princess diamond

d | VVS2 | EX | IGI

£379 £541

Add to Compare

FLAT 30% OFF

1.11 carat d VVS2 EX Cut IGI princess diamond
1.11 carat princess diamond thumb image

1.11 carat princess diamond

d | VVS2 | EX | IGI

£379 £541

Add to Compare

FLAT 30% OFF

1.15 carat e VS1 EX Cut IGI oval diamond
1.15 carat oval diamond thumb image

1.15 carat oval diamond

e | VS1 | EX | IGI

£379 £541

Add to Compare

FLAT 30% OFF

1.07 carat d VVS2 EX Cut IGI oval diamond
1.07 carat oval diamond thumb image

1.07 carat oval diamond

d | VVS2 | EX | IGI

£379 £541

Add to Compare

FLAT 30% OFF

1.15 carat e VVS2 EX Cut IGI princess diamond
1.15 carat princess diamond thumb image

1.15 carat princess diamond

e | VVS2 | EX | IGI

£379 £541

Add to Compare

FLAT 30% OFF

1.14 carat d VS1 EX Cut IGI marquise diamond
1.14 carat marquise diamond thumb image

1.14 carat marquise diamond

d | VS1 | EX | IGI

£380 £543

Add to Compare

FLAT 30% OFF

1.14 carat e VVS2 EX Cut IGI marquise diamond
1.14 carat marquise diamond thumb image

1.14 carat marquise diamond

e | VVS2 | EX | IGI

£380 £543

Add to Compare

FLAT 30% OFF

1.15 carat e VVS2 EX Cut IGI marquise diamond
1.15 carat marquise diamond thumb image

1.15 carat marquise diamond

e | VVS2 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.15 carat d VS1 EX Cut IGI marquise diamond
1.15 carat marquise diamond thumb image

1.15 carat marquise diamond

d | VS1 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.08 carat d VS1 ID Cut IGI round diamond
1.08 carat round diamond thumb image

1.08 carat round diamond

d | VS1 | ID | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.15 carat e VVS2 EX Cut IGI marquise diamond
1.15 carat marquise diamond thumb image

1.15 carat marquise diamond

e | VVS2 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.15 carat d VS1 EX Cut IGI marquise diamond
1.15 carat marquise diamond thumb image

1.15 carat marquise diamond

d | VS1 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.15 carat d VS1 EX Cut IGI marquise diamond
1.15 carat marquise diamond thumb image

1.15 carat marquise diamond

d | VS1 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.12 carat d VVS2 EX Cut IGI princess diamond
1.12 carat princess diamond thumb image

1.12 carat princess diamond

d | VVS2 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.15 carat d VS1 EX Cut IGI pear diamond
1.15 carat pear diamond thumb image

1.15 carat pear diamond

d | VS1 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.12 carat e VVS2 EX Cut IGI oval diamond
1.12 carat oval diamond thumb image

1.12 carat oval diamond

e | VVS2 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.12 carat e VVS2 EX Cut IGI oval diamond
1.12 carat oval diamond thumb image

1.12 carat oval diamond

e | VVS2 | EX | IGI

£383 £547

Add to Compare

FLAT 30% OFF

1.17 carat e VVS2 EX Cut IGI princess diamond
1.17 carat princess diamond thumb image

1.17 carat princess diamond

e | VVS2 | EX | IGI

£385 £550

Add to Compare

FLAT 30% OFF

1.17 carat e VVS2 EX Cut IGI princess diamond
1.17 carat princess diamond thumb image

1.17 carat princess diamond

e | VVS2 | EX | IGI

£385 £550

Add to Compare

FLAT 30% OFF

1.13 carat d VVS2 EX Cut IGI princess diamond
1.13 carat princess diamond thumb image

1.13 carat princess diamond

d | VVS2 | EX | IGI

£386 £551

Add to Compare

FLAT 30% OFF

1.13 carat d VVS2 EX Cut IGI princess diamond
1.13 carat princess diamond thumb image

1.13 carat princess diamond

d | VVS2 | EX | IGI

£386 £551

Add to Compare

FLAT 30% OFF

1.16 carat d VS1 EX Cut IGI marquise diamond
1.16 carat marquise diamond thumb image

1.16 carat marquise diamond

d | VS1 | EX | IGI

£387 £553

Add to Compare

FLAT 30% OFF

1.16 carat e VVS2 EX Cut IGI marquise diamond
1.16 carat marquise diamond thumb image

1.16 carat marquise diamond

e | VVS2 | EX | IGI

£387 £553

Add to Compare

FLAT 30% OFF

1.16 carat d VS1 EX Cut IGI marquise diamond
1.16 carat marquise diamond thumb image

1.16 carat marquise diamond

d | VS1 | EX | IGI

£387 £553

Add to Compare

FLAT 30% OFF

1.12 carat e VVS2 EX Cut IGI pear diamond
1.12 carat pear diamond thumb image

1.12 carat pear diamond

e | VVS2 | EX | IGI

£387 £553

Add to Compare

FLAT 30% OFF

1.16 carat d VVS2 EX Cut IGI emerald diamond
1.16 carat emerald diamond thumb image

1.16 carat emerald diamond

d | VVS2 | EX | IGI

£387 £553

Add to Compare

FLAT 30% OFF

IGI Diamonds

You’re looking for that perfect diamond for your jewellery, but do you know what's the most important thing you need to keep in mind? You should know is whether your lab diamond has the right certification or not. Diamonds are one of the most precious purchases you will ever make, so it becomes vital that you look out for the most authentic certification available. If you’re looking for the best lab diamonds online that have the proper authentication then you’ve come to the right place.

Did you know, the International Gemological Institute, also known as IGI, was established in Belgium and is one of the most well-known labs in the world? If you’re looking for lab diamonds that are exactly what they are claiming to be, then this certification will help put your mind at ease. This lab grades some of the best diamonds in the world and is widely known in many parts of the world as a big authority.

IGI certified lab diamonds go through intense checks that make sure these diamonds are worth your hard earned money. Established in 1975, IGI has become one of the largest gemological labs in the world. Our IGI certified lab diamonds are going to your next best friends! Once you’ve selected the best lab diamond for you, the world becomes your oyster. You can set this diamond in a beautiful eengagement ring setting, solitaire necklace, tennis bracelet or a pair of stud earrings. If you want to take home the sparkle of your dreams, all you need to do is simply browse through our website and find your forever bling!

IGI grades lab diamonds on a scale ranging from D-Z and the less colour a diamond has the more worth it has. Our IGI certified diamonds will leave you enthralled in every sense of the word, be it as a companion to your engagement ring, hoop earring or stud earrings. When a diamond is graded as D by IGI, it is known as a colourless diamond and it is also considered as the most precious diamond. You’d feel at ease knowing that the lab also grades diamonds based on its symmetry and proportion on a scale ranging from ideal to poor, which will help you in making a better choice. IGI also grades the clarity of a lab diamond on a scale of flawless to I3, by checking the visible inclusions and blemishes present on the diamond.

A lab diamond is one of the most sustainable alternatives to natural diamonds and if you’re trying to reduce your carbon footprints all the while looking your best, then you’ve come to the right place. A lab diamond is visually, chemically and physically similar in composition to natural diamonds which makes them one of the best investments you can make. Browse through our stunning range of loose lab diamonds and find the one you’ll cherish forever.

IGI Certified Diamonds FAQs

What is an IGI-certified diamond?

Can I trust the grading of an IGI-certified diamond?

What is the price range for IGI Certified Diamonds?

What is the significance of IGI-certification?

Can I buy an IGI-certified diamond online?