CaratHunter
Plans
Radiant|Lab Grown|IGI

1.53ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG625421937

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG625421937

Diamond specifications and retailer prices

From £1,024 GBP
As of October 31, 2026
Save £2,051 GBP (67%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,075 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625421937 or 625421937. Listed at 2 retailers as of October 31, 2026, with prices from £1,024 to £3,075, a £2,051 spread on the same certified stone. Brilliant Earth lists it at £3,075. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625421937
Dimensions8.19 × 5.62 × 3.83 mm
L/W Ratio1.46
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
Top View
8.19 mm5.62 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625421937
Side View
Table 68.0%Crown 47.9°Girdle: MediumPavilion 34.5°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,075 GBP|Low: £2,496 GBP|High: £4,956 GBP|Avg: £3,241 GBP
Brilliant Earth
Retailer 2
Retailer 3
April 14, 2026
Retailer 3£2,496 GBP
Brilliant Earth£3,075 GBP
Retailer 2£4,956 GBP

6 data points across 3 retailers

2 retailers£1,024 GBP to £3,075 GBP

B+
Cheapest Retailer
-
£1,024 GBP
Most Expensive
B
Brilliant Earth
16335307A · Oct 31
£3,075 GBP
$4,120 USD
View
1 more retailer has this diamond
Prices start from £1,024 GBPSave up to £2,051 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.

B+
1.53ct Radiant
£1,024 GBP