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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG849637408

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG849637408

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)
9 retailers carry this diamond
Most expensive: £1,920 GBP at Brilliant Earth · As of November 7, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct 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 LG849637408 or 849637408. Listed at 9 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

3.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849637408
Dimensions9.58 × 7.36 × 5.04 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.58 mm7.36 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849637408
Side View
Table 64.0%Crown 34.5°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £383 GBP|Low: £282 GBP|High: £1,248 GBP|Avg: £585 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4£282 GBP
Retailer 7£344 GBP
Retailer 1£383 GBP
Retailer 3£426 GBP
Retailer 8£504 GBP
Retailer 2£554 GBP
Retailer 5£999 GBP
Retailer 6£1,248 GBP

4 data points across 8 retailers

9 retailers£282 GBP to £1,920 GBP

A
Cheapest Retailer
-
£282 GBP
Final sale: no returns
A
Retailer 2
-
£344 GBP
View
A
Retailer 3
-
£383 GBP
View
A
Retailer 4
-
£426 GBP
View
B+
Retailer 5
-
£504 GBP
View
A
Retailer 6
-
£554 GBP
View
B+
Retailer 7
-
£999 GBP
View
B+
Retailer 8
-
£1,248 GBP
View
Most Expensive
B
Brilliant Earth
22517502A · Nov 7
£1,920 GBP
$2,570 USD
View
8 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
3.01ct Cushion
£282 GBP