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 €100 EUR
$111 USD
As of October 27, 2026
Save €498 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €598 EUR at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

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 27, 2026, with prices from €100 to €598, a €498 spread on the same certified stone. Taylor and Hart lists it at €598. 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
Colour
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 27
Current: €132 EUR|Low: €98 EUR|High: €1,186 EUR|Avg: €336 EUR|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 6€100 EUR
Retailer 5€116 EUR
Retailer 1€132 EUR
Retailer 9€156 EUR
Retailer 7€175 EUR
Retailer 10€182 EUR
Retailer 2€231 EUR
Retailer 8€306 EUR
Retailer 4€440 EUR
Taylor and Hart€598 EUR
Retailer 3€1,149 EUR

19 data points across 11 retailers

9 retailers€100 EUR to €598 EUR

A
Cheapest Retailer
-
€100 EUR
$111 USD
A
Retailer 2
-
€116 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
-
€306 EUR
CA$473 CAD
View
B
Retailer 7
-
€440 EUR
$490 USD
View
Most Expensive
B
Taylor and Hart
AWFBEHP · Oct 29
€598 EUR
$665 USD
View
7 more retailers have this diamond
Prices start from €100 EURSave up to €498 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
€100 EUR