Marquise|Lab Grown|GCAL

0.40ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • GCAL 310080020

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 310080020

Diamond specifications and retailer prices

From €144 EUR
$161 USD
As of November 1, 2026
Save €493 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €637 EUR at Taylor and Hart · As of October 31, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GCAL 310080020. Listed at 10 retailers as of October 31, 2026, with prices from €144 to €637, a €493 spread on the same certified stone. Taylor and Hart lists it at €637. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 310080020
Dimensions7.74 × 3.86 × 2.33 mm
L/W Ratio2.01
Culet sizeNone
Top View
7.74 mm3.86 mm0.40 ctE / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 310080020
Side View
Table 57.0%Crown 32.7°Girdle: ThickPavilion 40.3°Culet: NoneDepth 60.4%

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: Nov 1
Current: €144 EUR|Low: €144 EUR|High: €1,286 EUR|Avg: €404 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 1€144 EUR
Retailer 11€158 EUR
Retailer 8€166 EUR
Retailer 2€182 EUR
Retailer 3€237 EUR
Retailer 10€308 EUR
Retailer 6€358 EUR
Retailer 7€358 EUR
Retailer 5€456 EUR
Retailer 4€481 EUR
Taylor and Hart€637 EUR
Retailer 9€1,255 EUR

21 data points across 12 retailers

10 retailers€144 EUR to €637 EUR

A
Cheapest Retailer
-
€144 EUR
$161 USD
A
Retailer 2
-
€158 EUR
$177 USD
View
A
Retailer 3
-
€166 EUR
$185 USD
View
B+
Retailer 4
-
€308 EUR
CA$477 CAD
View
B
Retailer 5
-
€358 EUR
$400 USD
View
B
Retailer 6
-
€358 EUR
$400 USD
View
B
Retailer 7
-
€456 EUR
$510 USD
View
B
Retailer 8
-
€481 EUR
$537 USD
View
Most Expensive
B
Taylor and Hart
CJNSVP5 · Oct 31
€637 EUR
$712 USD
View
8 more retailers have this diamond
Prices start from €144 EURSave up to €493 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
€144 EUR