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Marquise|Lab Grown|GCAL

0.40ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • GCAL 311790047

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 311790047

Diamond specifications and retailer prices

From €99 EUR
$111 USD
As of October 30, 2026
Save €496 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,145 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown marquise diamond

This 0.4ct 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 311790047. Listed at 9 retailers as of October 30, 2026, with a 499% 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

0.40
Carat
E
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 311790047
Dimensions8.09 × 3.76 × 2.23 mm
L/W Ratio2.15
Culet sizeNone
Top View
8.09 mm3.76 mm0.40 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 311790047
Side View
Table 62.0%Crown 33.5°Girdle: THN-THKPavilion 40°Culet: NoneDepth 59.4%

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: €1,145 EUR|Low: €98 EUR|High: €1,181 EUR|Avg: €335 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€99 EUR
Retailer 5€115 EUR
Retailer 2€132 EUR
Retailer 10€156 EUR
Retailer 8€175 EUR
Retailer 11€181 EUR
Retailer 3€230 EUR
Retailer 9€305 EUR
Retailer 4€439 EUR
Retailer 7€595 EUR
MOH London€1,145 EUR

19 data points across 11 retailers

9 retailers€99 EUR to €595 EUR

A
Cheapest Retailer
-
€99 EUR
$111 USD
A
Retailer 2
-
€115 EUR
$129 USD
View
A
Retailer 3
-
€132 EUR
$147 USD
View
A
Retailer 4
-
€156 EUR
$174 USD
View
A
Retailer 5
-
€175 EUR
$195 USD
View
B+
Retailer 6
-
€305 EUR
CA$473 CAD
View
B
Retailer 7
-
€439 EUR
$490 USD
View
B
Retailer 8
-
€595 EUR
$665 USD
View
Most Expensive
MOH London
311790047 · Oct 29
€1,145 EUR
£1,007 GBP
View
Price under review
8 more retailers have this diamond
Prices start from €99 EURSave up to €496 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
0.40ct Marquise
€99 EUR