Cushion|Lab Grown|IGI

1.38ct G SI1 Cushion Lab Grown Diamond

VG • G/SI1 • IGI LG520296227

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG520296227

Diamond specifications and retailer prices

From $398 USD
As of November 6, 2026
Save $1,912 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,310 USD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG520296227 or 520296227. Listed at 10 retailers as of November 6, 2026, with prices from $398 to $2,310, a $1,912 spread on the same certified stone. Do Amore Diamonds lists it at $2,310. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.38
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520296227
Dimensions6.39 × 6.34 × 4.38 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
6.39 mm6.34 mm1.38 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520296227
Side View
Table 61.5%Crown 41°Girdle: MED-THKPavilion 40°Culet: NoneDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,310 USD|Low: $388 USD|High: $2,310 USD|Avg: $871 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$398 USD
Retailer 9$454 USD
Retailer 7$502 USD
Retailer 2$624 USD
Retailer 4$675 USD
Retailer 8$819 USD
Retailer 10$1,049 USD
Retailer 6$1,226 USD
Retailer 3$1,325 USD
Do Amore Diamonds$2,310 USD

38 data points across 10 retailers

10 retailers$398 USD to $2,310 USD

A
Cheapest Retailer
-
$398 USD
B+
Retailer 2
-
$454 USD
View
B+
Retailer 3
-
$502 USD
View
B+
Retailer 4
-
$624 USD
View
Retailer 5
-
$675 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$819 USD
View
B
Retailer 7
-
$1,049 USD
View
B
Retailer 8
-
$1,226 USD
View
Retailer 9
-
$1,325 USD
View
Price last confirmed 8 days ago
Most Expensive
C
Do Amore Diamonds
27-185464D76 · Nov 6
$2,310 USD
View
9 more retailers have this diamond
Prices start from $398 USDSave up to $1,912 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
$398 USD