CaratHunter
Plans
Marquise|Lab Grown|GCAL

0.42ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • GCAL 312310057

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 312310057

Diamond specifications and retailer prices

From $165 AUD
$116 USD
As of October 30, 2026
Save $808 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,891 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GCAL 312310057. Listed at 9 retailers as of October 29, 2026, with a 490% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 312310057
Dimensions7.36 × 4.10 × 2.45 mm
L/W Ratio1.80
Culet sizeNone
Top View
7.36 mm4.10 mm0.42 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 312310057
Side View
Table 61.0%Crown 34.5°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 59.8%

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: $1,891 AUD|Low: $161 AUD|High: $1,951 AUD|Avg: $553 AUD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$165 AUD
Retailer 4$191 AUD
Retailer 7$218 AUD
Retailer 10$258 AUD
Retailer 8$292 AUD
Retailer 11$299 AUD
Retailer 3$383 AUD
Retailer 9$509 AUD
Retailer 2$725 AUD
Retailer 5$974 AUD
MOH London$1,891 AUD

21 data points across 11 retailers

9 retailers$165 AUD to $974 AUD

A
Cheapest Retailer
-
$165 AUD
$116 USD
A
Retailer 2
-
$191 AUD
$134 USD
View
A
Retailer 3
-
$218 AUD
$153 USD
View
A
Retailer 4
-
$258 AUD
$181 USD
View
A
Retailer 5
-
$292 AUD
$205 USD
View
B+
Retailer 6
-
$509 AUD
CA$497 CAD
View
B
Retailer 7
-
$725 AUD
$509 USD
View
B
Retailer 8
-
$974 AUD
$684 USD
View
Most Expensive
MOH London
312310057 · Oct 29
$1,891 AUD
£1,046 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $165 AUDSave up to $808 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
0.42ct Marquise
$165 AUD