Marquise|Lab Grown|IGI

1.04ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG645443271

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG645443271

Diamond specifications and retailer prices

From £186 GBP

$249 USD

As of November 1, 2026

Save £1,359 GBP (88%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: £1,545 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 1.04ct lab-grown marquise diamond

This 1.04ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG645443271 or 645443271. Listed at 29 retailers as of October 31, 2026, with prices from £186 to £1,545, a £1,359 spread on the same certified stone. Do Amore Diamonds lists it at £1,545. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.9°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG645443271

Dimensions10.32 × 5.29 × 3.37 mm

L/W Ratio1.95

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG645443271

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: £1,545 GBP|Low: £160 GBP|High: £1,545 GBP|Avg: £624 GBP

Do Amore Diamonds

Retailer 2

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Retailer 22

November 1, 2026

Retailer 11£160 GBP

Retailer 3£186 GBP

Retailer 8£199 GBP

Retailer 22£306 GBP

Retailer 7£312 GBP

Retailer 10£339 GBP

Retailer 15£351 GBP

Retailer 18£369 GBP

Retailer 5£375 GBP

Retailer 20£378 GBP

Retailer 13£416 GBP

Retailer 12£482 GBP

Retailer 21£536 GBP

Retailer 4£642 GBP

Retailer 14£748 GBP

Retailer 9£834 GBP

Retailer 2£881 GBP

Retailer 6£927 GBP

Retailer 19£963 GBP

Retailer 16£1,067 GBP

Retailer 17£1,083 GBP

Do Amore Diamonds£1,545 GBP

40 data points across 22 retailers

29 retailers£186 GBP to £1,545 GBP

Retailer 1

£160 GBP

$215 USD

Price last confirmed 24 days ago

Retailer 2

£186 GBP

$249 USD

View

Final sale: no returns

Retailer 3

£199 GBP

$267 USD

View

Price last confirmed 24 days ago

Retailer 4

£199 GBP

$267 USD

View

Price last confirmed 22 days ago

Retailer 5

£210 GBP

$281 USD

View

Price last confirmed 32 days ago

Retailer 6

£243 GBP

$326 USD

View

Price last confirmed 33 days ago

Retailer 7

£257 GBP

$344 USD

View

Price last confirmed 33 days ago

Retailer 8

£306 GBP

HK$3,200 HKD

View

Retailer 9

£312 GBP

$418 USD

View

Retailer 10

£339 GBP

$454 USD

View

Retailer 11

£369 GBP

€471 EUR

View

Retailer 12

£375 GBP

$502 USD

View

Retailer 13

£378 GBP

ZAR 8,172 ZAR

View

Retailer 14

£416 GBP

View

Retailer 15

£482 GBP

$645 USD

View

Price last confirmed 8 days ago

B+

Retailer 16

£536 GBP

A$1,105 AUD

View

B+

Retailer 17

£642 GBP

$860 USD

View

B+

Retailer 18

£706 GBP

$946 USD

View

Retailer 19

£706 GBP

$946 USD

View

Price last confirmed 22 days ago

B+

Retailer 20

£748 GBP

SGD 1,355 SGD

View

B+

Retailer 21

£834 GBP

$1,118 USD

View

B+

Retailer 22

£881 GBP

View

Retailer 23

£923 GBP

$1,237 USD

View

Price last confirmed 32 days ago

Retailer 24

£927 GBP

$1,242 USD

View

Retailer 25

£930 GBP

$1,246 USD

View

Price last confirmed 76 days ago

Retailer 26

£978 GBP

$1,310 USD

View

Price last confirmed 35 days ago

B+

Retailer 27

£1,067 GBP

$1,430 USD

View

B+

Retailer 28

£1,083 GBP

A$2,233 AUD

View

Most Expensive

Do Amore Diamonds

27-8C7048633 · Oct 31

£1,545 GBP

$2,070 USD

View

28 more retailers have this diamond

Prices start from £186 GBPSave up to £1,359 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

Where to buy this spec

See every retailer carrying 1.04ct D IF marquise lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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