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Marquise|Lab Grown|IGI

4.30ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG833606493

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833606493

Diamond specifications and retailer prices

From $761 CAD
$544 USD
As of October 27, 2026
Save $8,322 CAD (92%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,083 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.3ct lab-grown marquise diamond

This 4.3ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833606493 or 833606493. Listed at 10 retailers as of October 27, 2026, with prices from $761 to $9,083, a $8,322 spread on the same certified stone. Brilliant Earth lists it at $9,083. 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

4.30
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833606493
Dimensions16.61 × 8.50 × 5.37 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.61 mm8.50 mm4.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833606493
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

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 27
Current: $9,083 CAD|Low: $754 CAD|High: $9,363 CAD|Avg: $3,129 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$761 CAD
Retailer 2$793 CAD
Retailer 7$852 CAD
Retailer 4$1,428 CAD
Retailer 6$2,437 CAD
Retailer 5$2,442 CAD
Retailer 10$2,483 CAD
Retailer 9$3,801 CAD
Retailer 3$3,946 CAD
Brilliant Earth$9,083 CAD

27 data points across 10 retailers

10 retailers$761 CAD to $9,083 CAD

A
Cheapest Retailer
-
$761 CAD
$544 USD
A
Retailer 2
-
$793 CAD
£446 GBP
View
A
Retailer 3
-
$852 CAD
$609 USD
View
A
Retailer 4
-
$1,428 CAD
€972 EUR
View
B
Retailer 5
-
$2,437 CAD
$1,741 USD
View
B
Retailer 6
-
$2,442 CAD
$1,745 USD
View
B+
Retailer 7
-
$2,483 CAD
$1,774 USD
View
Retailer 8
-
$3,801 CAD
SGD 3,670 SGD
View
Price last confirmed 16 days ago
B+
Retailer 9
-
$3,946 CAD
£2,220 GBP
View
Most Expensive
B
Brilliant Earth
21148210A · Oct 28
$9,083 CAD
$6,490 USD
View
9 more retailers have this diamond
Prices start from $761 CADSave up to $8,322 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
4.30ct Marquise
$761 CAD