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Cushion|Lab Grown|IGI

1.38ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG597375435

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG597375435

Diamond specifications and retailer prices

From $393 AUD
As of November 4, 2026
Save $1,574 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,967 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.38ct lab-grown cushion diamond

This 1.38ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG597375435 or 597375435. Listed at 13 retailers as of November 4, 2026, with prices from $393 to $1,967, a $1,574 spread on the same certified stone. Brilliant Earth lists it at $1,967. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597375435
Dimensions6.31 × 6.24 × 4.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.31 mm6.24 mm1.38 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597375435
Side View
Table 63.0%Crown 35.9°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 65.4%

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 4
Current: $1,967 AUD|Low: $393 AUD|High: $2,138 AUD|Avg: $1,017 AUD|-8.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$393 AUD
Retailer 8$723 AUD
Retailer 10$731 AUD
Retailer 7$753 AUD
Retailer 9$807 AUD
Retailer 2$820 AUD
Retailer 11$892 AUD
Retailer 5$1,068 AUD
Retailer 6$1,112 AUD
Retailer 4$1,743 AUD
Brilliant Earth$1,967 AUD

40 data points across 11 retailers

13 retailers$393 AUD to $1,967 AUD

A
Cheapest Retailer
-
$393 AUD
Final sale: no returns
A
Retailer 2
-
$723 AUD
View
A
Retailer 3
-
$731 AUD
View
A
Retailer 4
-
$753 AUD
View
B+
Retailer 5
-
$807 AUD
View
A
Retailer 6
-
$820 AUD
View
B+
Retailer 7
-
$892 AUD
View
B+
Retailer 8
-
$1,068 AUD
View
B+
Retailer 9
-
$1,112 AUD
View
B
Retailer 10
-
$1,475 AUD
View
B
Retailer 11
-
$1,743 AUD
View
B
Retailer 12
-
$1,913 AUD
View
Most Expensive
B
Brilliant Earth
20602099A · Nov 4
$1,967 AUD
$1,380 USD
View
12 more retailers have this diamond
Prices start from $393 AUDSave up to $1,574 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
1.38ct Cushion
$393 AUD