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Cushion|Lab Grown|IGI

2.52ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG602326460

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602326460

Diamond specifications and retailer prices

From £341 GBP
$457 USD
As of October 30, 2026
Save £1,838 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,179 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.52ct lab-grown cushion diamond

This 2.52ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602326460 or 602326460. Listed at 12 retailers as of October 29, 2026, with prices from £341 to £2,179, a £1,838 spread on the same certified stone. Brilliant Earth lists it at £2,179. 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

2.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602326460
Dimensions9.16 × 7.16 × 5.02 mm
L/W Ratio1.28
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
Top View
9.16 mm7.16 mm2.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602326460
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 70.1%

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 30
Current: £2,179 GBP|Low: £341 GBP|High: £2,821 GBP|Avg: £924 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12£341 GBP
Retailer 11£378 GBP
Retailer 7£489 GBP
Retailer 9£508 GBP
Retailer 2£622 GBP
Retailer 3£622 GBP
Retailer 5£639 GBP
Retailer 10£881 GBP
Retailer 4£1,241 GBP
Retailer 8£1,299 GBP
Retailer 6£1,484 GBP
Brilliant Earth£2,179 GBP

41 data points across 12 retailers

12 retailers£341 GBP to £2,179 GBP

A
Cheapest Retailer
-
£341 GBP
$457 USD
Final sale: no returns
A
Retailer 2
-
£378 GBP
$506 USD
View
A
Retailer 3
-
£489 GBP
$655 USD
View
B+
Retailer 4
-
£508 GBP
$680 USD
View
A
Retailer 5
-
£622 GBP
View
B+
Retailer 6
-
£622 GBP
$833 USD
View
B+
Retailer 7
-
£639 GBP
€815 EUR
View
B+
Retailer 8
-
£881 GBP
$1,180 USD
View
B
Retailer 9
-
£1,241 GBP
$1,663 USD
View
Retailer 10
-
£1,299 GBP
$1,740 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
£1,484 GBP
View
Most Expensive
B
Brilliant Earth
21311918A · Oct 29
£2,179 GBP
$2,920 USD
View
11 more retailers have this diamond
Prices start from £341 GBPSave up to £1,838 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
2.52ct Cushion
£341 GBP