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 €104 EUR
$116 USD
As of October 30, 2026
Save €508 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,189 EUR 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: €1,189 EUR|Low: €101 EUR|High: €1,227 EUR|Avg: €348 EUR|-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€104 EUR
Retailer 4€120 EUR
Retailer 7€137 EUR
Retailer 10€162 EUR
Retailer 8€183 EUR
Retailer 11€188 EUR
Retailer 3€241 EUR
Retailer 9€320 EUR
Retailer 2€456 EUR
Retailer 5€612 EUR
MOH London€1,189 EUR

21 data points across 11 retailers

9 retailers€104 EUR to €612 EUR

A
Cheapest Retailer
-
€104 EUR
$116 USD
A
Retailer 2
-
€120 EUR
$134 USD
View
A
Retailer 3
-
€137 EUR
$153 USD
View
A
Retailer 4
-
€162 EUR
$181 USD
View
A
Retailer 5
-
€183 EUR
$205 USD
View
B+
Retailer 6
-
€320 EUR
CA$497 CAD
View
B
Retailer 7
-
€456 EUR
$509 USD
View
B
Retailer 8
-
€612 EUR
$684 USD
View
Most Expensive
MOH London
312310057 · Oct 29
€1,189 EUR
£1,046 GBP
View
Price under review
8 more retailers have this diamond
Prices start from €104 EURSave up to €508 EUR

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
€104 EUR