CaratHunter
Plans
Cushion|Lab Grown|IGI

2.39ct G SI2 Cushion Lab Grown Diamond

ID • G/SI2 • IGI LG614398932

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG614398932

Diamond specifications and retailer prices

From £348 GBP
As of October 27, 2026
Save £1,600 GBP (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,948 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.39ct lab-grown cushion diamond

This 2.39ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614398932 or 614398932. Listed at 5 retailers as of October 26, 2026, with prices from £348 to £1,948, a £1,600 spread on the same certified stone. Brilliant Earth lists it at £1,948. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.39
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614398932
Dimensions7.84 × 7.76 × 5.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.84 mm7.76 mm2.39 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614398932
Side View
Table 60.0%Crown 34.5°Girdle: THN-STKPavilion 39.8°Culet: NoneDepth 66.1%

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 27
Current: £1,948 GBP|Low: £347 GBP|High: £2,015 GBP|Avg: £933 GBP|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 2£348 GBP
Retailer 4£393 GBP
Retailer 6£531 GBP
Retailer 5£760 GBP
Retailer 3£1,042 GBP
Retailer 7£1,316 GBP
Brilliant Earth£1,948 GBP

29 data points across 7 retailers

5 retailers£348 GBP to £1,948 GBP

A
Cheapest Retailer
-
£348 GBP
B+
Retailer 2
-
£393 GBP
$526 USD
View
B+
Retailer 3
-
£760 GBP
$1,018 USD
View
B+
Retailer 4
-
£1,042 GBP
View
Most Expensive
B
Brilliant Earth
8936419Y · Oct 26
£1,948 GBP
$2,610 USD
View
4 more retailers have this diamond
Prices start from £348 GBPSave up to £1,600 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
2.39ct Cushion
£348 GBP