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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 $175 AUD
$123 USD
As of October 30, 2026
Save $843 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,007 AUD 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 29, 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
Colour
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 30
Current: $2,007 AUD|Low: $171 AUD|High: $2,048 AUD|Avg: $540 AUD|+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$175 AUD
Retailer 7$192 AUD
Retailer 4$202 AUD
Retailer 9$219 AUD
Retailer 2$231 AUD
Retailer 10$381 AUD
Retailer 8$409 AUD
Retailer 3$769 AUD
Retailer 5$1,018 AUD
MOH London$2,007 AUD

19 data points across 10 retailers

9 retailers$175 AUD to $1,018 AUD

A
Cheapest Retailer
-
$175 AUD
$123 USD
A
Retailer 2
-
$192 AUD
$135 USD
View
A
Retailer 3
-
$202 AUD
$142 USD
View
A
Retailer 4
-
$219 AUD
$154 USD
View
A
Retailer 5
-
$231 AUD
$162 USD
View
B+
Retailer 6
-
$409 AUD
CA$399 CAD
View
B
Retailer 7
-
$769 AUD
$540 USD
View
B
Retailer 8
-
$1,018 AUD
$715 USD
View
Most Expensive
MOH London
303160024 · Oct 29
$2,007 AUD
£1,110 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $175 AUDSave up to $843 AUD

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
$175 AUD