CaratHunter
Plans
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 $635 AUD
£351 GBP
As of October 27, 2026
Save $3,437 AUD (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,071 AUD 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 7 retailers as of October 26, 2026, with prices from $635 to $4,071, a $3,437 spread on the same certified stone. Brilliant Earth lists it at $4,071. 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

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: $4,071 AUD|Low: $431 AUD|High: $4,200 AUD|Avg: $1,751 AUD|-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$431 AUD
Retailer 10$483 AUD
Retailer 4$635 AUD
Retailer 6$759 AUD
Retailer 2$762 AUD
Retailer 11$1,025 AUD
Retailer 8$1,461 AUD
Retailer 3$1,862 AUD
Retailer 5$2,010 AUD
Retailer 7$3,246 AUD
Brilliant Earth$4,071 AUD

35 data points across 11 retailers

7 retailers$635 AUD to $4,071 AUD

A
Cheapest Retailer
-
$635 AUD
£351 GBP
B+
Retailer 2
-
$759 AUD
$533 USD
View
A
Retailer 3
-
$762 AUD
$535 USD
View
A
Retailer 4
-
$1,461 AUD
$1,026 USD
View
B+
Retailer 5
-
$2,010 AUD
£1,112 GBP
View
B
Retailer 6
-
$3,246 AUD
$2,280 USD
View
Most Expensive
B
Brilliant Earth
8936417Y · Oct 26
$4,071 AUD
$2,860 USD
View
6 more retailers have this diamond
Prices start from $635 AUDSave up to $3,437 AUD

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
$635 AUD