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Cushion|Lab Grown|IGI

3.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG797609455

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797609455

Diamond specifications and retailer prices

From £282 GBP
As of November 6, 2026
Save £1,638 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,920 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.02ct lab-grown cushion diamond

This 3.02ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797609455 or 797609455. Listed at 15 retailers as of November 6, 2026, with prices from £282 to £1,920, a £1,638 spread on the same certified stone. Brilliant Earth lists it at £1,920. 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

3.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797609455
Dimensions9.81 × 7.76 × 4.74 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.81 mm7.76 mm3.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797609455
Side View
Table 60.0%Crown 34.9°Girdle: STK-THKPavilion 32.4°Culet: NoneDepth 61.1%

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: Nov 6
Current: £727 GBP|Low: £282 GBP|High: £1,980 GBP|Avg: £790 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13£282 GBP
Retailer 8£381 GBP
Retailer 9£420 GBP
Retailer 3£426 GBP
Retailer 6£503 GBP
Retailer 12£556 GBP
Retailer 4£610 GBP
Retailer 1£727 GBP
Retailer 11£999 GBP
Retailer 7£1,038 GBP
Retailer 10£1,221 GBP
Retailer 2£1,268 GBP
Retailer 5£1,472 GBP

33 data points across 13 retailers

15 retailers£282 GBP to £1,920 GBP

A
Cheapest Retailer
-
£282 GBP
Final sale: no returns
Retailer 2
-
£321 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
£381 GBP
View
B+
Retailer 4
-
£420 GBP
View
A
Retailer 5
-
£426 GBP
View
A
Retailer 6
-
£503 GBP
View
A
Retailer 7
-
£556 GBP
View
A
Retailer 8
-
£610 GBP
View
A
Retailer 9
-
£727 GBP
View
B+
Retailer 10
-
£999 GBP
View
B+
Retailer 11
-
£1,038 GBP
View
B+
Retailer 12
-
£1,221 GBP
View
B+
Retailer 13
-
£1,268 GBP
View
B
Retailer 14
-
£1,472 GBP
View
Most Expensive
B
Brilliant Earth
20573451A · Nov 6
£1,920 GBP
$2,570 USD
View
14 more retailers have this diamond
Prices start from £282 GBPSave up to £1,638 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
3.02ct Cushion
£282 GBP