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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 $276 USD
As of November 4, 2026
Save $1,104 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,380 USD 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 $276 to $1,380, a $1,104 spread on the same certified stone. Brilliant Earth lists it at $1,380. 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
Color
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: $1,380 USD|Low: $276 USD|High: $1,500 USD|Avg: $713 USD|-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$276 USD
Retailer 8$507 USD
Retailer 10$513 USD
Retailer 7$528 USD
Retailer 9$566 USD
Retailer 2$575 USD
Retailer 11$626 USD
Retailer 5$749 USD
Retailer 6$780 USD
Retailer 4$1,223 USD
Brilliant Earth$1,380 USD

40 data points across 11 retailers

13 retailers$276 USD to $1,380 USD

A
Cheapest Retailer
-
$276 USD
Final sale: no returns
A
Retailer 2
-
$507 USD
View
A
Retailer 3
-
$513 USD
View
A
Retailer 4
-
$528 USD
View
B+
Retailer 5
-
$566 USD
View
A
Retailer 6
-
$575 USD
View
B+
Retailer 7
-
$626 USD
View
B+
Retailer 8
-
$749 USD
View
B+
Retailer 9
-
$780 USD
View
B
Retailer 10
-
$1,035 USD
View
B
Retailer 11
-
$1,223 USD
View
B
Retailer 12
-
$1,342 USD
View
Most Expensive
B
Brilliant Earth
20602099A · Nov 4
$1,380 USD
View
12 more retailers have this diamond
Prices start from $276 USDSave up to $1,104 USD

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
$276 USD