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Cushion|Lab Grown|IGI

2.42ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG615362973

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615362973

Diamond specifications and retailer prices

From £226 GBP
$303 USD
As of October 28, 2026
Save £1,908 GBP (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,135 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.42ct lab-grown cushion diamond

This 2.42ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615362973 or 615362973. Listed at 8 retailers as of October 26, 2026, with prices from £226 to £2,135, a £1,908 spread on the same certified stone. Brilliant Earth lists it at £2,135. 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

2.42
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615362973
Dimensions7.83 × 7.79 × 5.28 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
7.83 mm7.79 mm2.42 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615362973
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 67.8%

Caratlytics Score

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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: Oct 28
Current: £2,135 GBP|Low: £226 GBP|High: £2,202 GBP|Avg: £918 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 9£226 GBP
Retailer 10£253 GBP
Retailer 4£333 GBP
Retailer 6£398 GBP
Retailer 2£399 GBP
Retailer 11£537 GBP
Retailer 8£766 GBP
Retailer 3£976 GBP
Retailer 5£1,054 GBP
Retailer 7£1,702 GBP
Brilliant Earth£2,135 GBP

35 data points across 11 retailers

8 retailers£226 GBP to £2,135 GBP

A
Cheapest Retailer
-
£226 GBP
$303 USD
Final sale: no returns
A
Retailer 2
-
£333 GBP
View
B+
Retailer 3
-
£398 GBP
$533 USD
View
A
Retailer 4
-
£399 GBP
$535 USD
View
A
Retailer 5
-
£766 GBP
$1,026 USD
View
B+
Retailer 6
-
£1,054 GBP
View
B
Retailer 7
-
£1,702 GBP
$2,280 USD
View
Most Expensive
B
Brilliant Earth
8936417Y · Oct 26
£2,135 GBP
$2,860 USD
View
7 more retailers have this diamond
Prices start from £226 GBPSave up to £1,908 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
2.42ct Cushion
£226 GBP