CaratHunter
Plans
Cushion|Lab Grown|IGI

0.53ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG754541233

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

Certificate IGI LG754541233

Diamond specifications and retailer prices

From $255 CAD
$182 USD
As of October 28, 2026
Save $361 CAD (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $616 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 0.53ct lab-grown cushion diamond

This 0.53ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754541233 or 754541233. Listed at 3 retailers as of October 28, 2026, with prices from $255 to $616, a $361 spread on the same certified stone. Brilliant Earth lists it at $616. 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

0.53
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754541233
Dimensions4.67 × 4.64 × 3.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.67 mm4.64 mm0.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG754541233
Side View
Table 70.0%Crown 39.5°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $616 CAD|Low: $255 CAD|High: $684 CAD|Avg: $435 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$255 CAD
Retailer 2$341 CAD
Retailer 4$354 CAD
Retailer 5$366 CAD
Brilliant Earth$616 CAD
Retailer 6$684 CAD

9 data points across 6 retailers

3 retailers$255 CAD to $616 CAD

A
Cheapest Retailer
-
$255 CAD
$182 USD
A
Retailer 2
-
$341 CAD
€232 EUR
View
Most Expensive
B
Brilliant Earth
17604559A · Oct 28
$616 CAD
$440 USD
View
2 more retailers have this diamond
Prices start from $255 CADSave up to $361 CAD

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
0.53ct Cushion
$255 CAD