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Cushion|Lab Grown|IGI

1.53ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG530295665

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG530295665

Diamond specifications and retailer prices

From $332 USD
As of November 6, 2026
Save $760 USD (70%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,092 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530295665 or 530295665. Listed at 5 retailers as of November 2, 2026, with prices from $332 to $1,092, a $760 spread on the same certified stone. MOH London lists it at $1,092. 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

1.53
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530295665
Dimensions6.75 × 6.52 × 4.42 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.75 mm6.52 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530295665
Side View
Table 65.0%Crown 34.8°Girdle: MED-THKPavilion 40.3°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: Nov 6
Current: $1,092 USD|Low: $332 USD|High: $1,105 USD|Avg: $635 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$332 USD
Retailer 3$376 USD
Retailer 5$492 USD
Retailer 2$501 USD
Retailer 6$1,047 USD
MOH London$1,092 USD

35 data points across 6 retailers

5 retailers$332 USD to $1,092 USD

B+
Cheapest Retailer
-
$332 USD
A
Retailer 2
-
$376 USD
View
A
Retailer 3
-
$501 USD
View
B
Retailer 4
-
$1,047 USD
View
Most Expensive
B
MOH London
LG530295665 · Nov 2
$1,092 USD
£860 GBP
View
4 more retailers have this diamond
Prices start from $332 USDSave up to $760 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
1.53ct Cushion
$332 USD