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Marquise|Lab Grown|GCAL

0.43ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • GCAL 303160024

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 303160024

Diamond specifications and retailer prices

From $172 CAD
$123 USD
As of October 28, 2026
Save $829 CAD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,973 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.43ct lab-grown marquise diamond

This 0.43ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 303160024. Listed at 9 retailers as of October 28, 2026, with a 481% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.43
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 303160024
Dimensions7.83 × 3.93 × 2.42 mm
L/W Ratio1.99
Culet sizeNone
Top View
7.83 mm3.93 mm0.43 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 303160024
Side View
Table 54.0%Crown 33°Girdle: ThickPavilion 40.2°Culet: NoneDepth 61.6%

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: $1,973 CAD|Low: $168 CAD|High: $2,014 CAD|Avg: $531 CAD|+75.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$172 CAD
Retailer 7$189 CAD
Retailer 4$199 CAD
Retailer 9$216 CAD
Retailer 2$227 CAD
Retailer 10$375 CAD
Retailer 8$402 CAD
Retailer 3$756 CAD
Retailer 5$1,001 CAD
MOH London$1,973 CAD

19 data points across 10 retailers

9 retailers$172 CAD to $1,001 CAD

A
Cheapest Retailer
-
$172 CAD
$123 USD
A
Retailer 2
-
$189 CAD
$135 USD
View
A
Retailer 3
-
$199 CAD
$142 USD
View
A
Retailer 4
-
$216 CAD
$154 USD
View
A
Retailer 5
-
$227 CAD
$162 USD
View
B+
Retailer 6
-
$402 CAD
View
B
Retailer 7
-
$756 CAD
$540 USD
View
B
Retailer 8
-
$1,001 CAD
$715 USD
View
Most Expensive
C
MOH London
303160024 · Oct 29
$1,973 CAD
£1,110 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $172 CADSave up to $829 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
0.43ct Marquise
$172 CAD