Marquise|Lab Grown|IGI

1.53ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG846663314

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846663314

Diamond specifications and retailer prices

From £474 GBP
As of October 30, 2026
Save £2,071 GBP (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,545 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663314 or 846663314. Listed at 8 retailers as of October 30, 2026, with prices from £474 to £2,545, a £2,071 spread on the same certified stone. Brilliant Earth lists it at £2,545. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663314
Dimensions11.32 × 5.98 × 3.80 mm
L/W Ratio1.89
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
11.32 mm5.98 mm1.53 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663314
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
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: Oct 30
Current: £2,545 GBP|Low: £474 GBP|High: £2,911 GBP|Avg: £1,458 GBP|-12.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£474 GBP
Retailer 4£714 GBP
Retailer 7£750 GBP
Retailer 2£855 GBP
Retailer 3£1,720 GBP
Retailer 6£1,892 GBP
Retailer 8£2,440 GBP
Brilliant Earth£2,545 GBP

6 data points across 8 retailers

8 retailers£474 GBP to £2,545 GBP

A
Cheapest Retailer
-
£474 GBP
A
Retailer 2
-
£714 GBP
$957 USD
View
A
Retailer 3
-
£750 GBP
$1,005 USD
View
A
Retailer 4
-
£855 GBP
$1,146 USD
View
B+
Retailer 5
-
£1,720 GBP
$2,305 USD
View
B+
Retailer 6
-
£1,892 GBP
$2,535 USD
View
B
Retailer 7
-
£2,440 GBP
View
Most Expensive
B
Brilliant Earth
22315350A · Oct 30
£2,545 GBP
$3,410 USD
View
7 more retailers have this diamond
Prices start from £474 GBPSave up to £2,071 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.

A
1.53ct Marquise
£474 GBP