CaratHunter
Plans
Marquise|Lab Grown|IGI

1.09ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG747508359

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG747508359

Diamond specifications and retailer prices

From £2,187 GBP
$2,930 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £2,187 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG747508359 or 747508359. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747508359
Dimensions10.35 × 5.24 × 3.45 mm
L/W Ratio1.98
Girdle conditionFaceted
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
Top View
10.35 mm5.24 mm1.09 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747508359
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,187 GBP|Low: £660 GBP|High: £4,023 GBP|Avg: £2,132 GBP|-1.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
February 26, 2026
Retailer 8£660 GBP
Retailer 3£668 GBP
Retailer 2£819 GBP
Retailer 5£954 GBP
Retailer 9£1,370 GBP
Retailer 4£1,451 GBP
Retailer 7£1,525 GBP
Brilliant Earth£2,187 GBP
Retailer 6£4,023 GBP

38 data points across 9 retailers

1 retailer

B
Brilliant Earth
16783691Y · Oct 30
£2,187 GBP
$2,930 USD
View

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.

B
1.09ct Marquise
£2,187 GBP