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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 $791 NZD
£351 GBP
As of October 27, 2026
Save $4,283 NZD (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,074 NZD 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 $791 to $5,074, a $4,283 spread on the same certified stone. Brilliant Earth lists it at $5,074. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $5,074 NZD|Low: $538 NZD|High: $5,234 NZD|Avg: $2,182 NZD|-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$538 NZD
Retailer 10$601 NZD
Retailer 4$791 NZD
Retailer 6$946 NZD
Retailer 2$949 NZD
Retailer 11$1,277 NZD
Retailer 8$1,821 NZD
Retailer 3$2,321 NZD
Retailer 5$2,506 NZD
Retailer 7$4,045 NZD
Brilliant Earth$5,074 NZD

35 data points across 11 retailers

7 retailers$791 NZD to $5,074 NZD

A
Cheapest Retailer
-
$791 NZD
£351 GBP
B+
Retailer 2
-
$946 NZD
$533 USD
View
A
Retailer 3
-
$949 NZD
$535 USD
View
A
Retailer 4
-
$1,821 NZD
$1,026 USD
View
Retailer 5
-
$2,506 NZD
£1,112 GBP
View
Price last confirmed 7 days ago
B
Retailer 6
-
$4,045 NZD
$2,280 USD
View
Most Expensive
B
Brilliant Earth
8936417Y · Oct 26
$5,074 NZD
$2,860 USD
View
6 more retailers have this diamond
Prices start from $791 NZDSave up to $4,283 NZD

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
$791 NZD