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 $116 USD
As of October 28, 2026
Save $568 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,328 USD 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 28, 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
Color
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 28
Current: $1,328 USD|Low: $113 USD|High: $1,370 USD|Avg: $388 USD|-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$116 USD
Retailer 4$134 USD
Retailer 7$153 USD
Retailer 10$181 USD
Retailer 8$205 USD
Retailer 11$210 USD
Retailer 3$269 USD
Retailer 9$358 USD
Retailer 2$509 USD
Retailer 5$684 USD
MOH London$1,328 USD

21 data points across 11 retailers

9 retailers$116 USD to $684 USD

A
Cheapest Retailer
-
$116 USD
A
Retailer 2
-
$134 USD
View
A
Retailer 3
-
$153 USD
View
A
Retailer 4
-
$181 USD
View
A
Retailer 5
-
$205 USD
View
B+
Retailer 6
-
$358 USD
CA$497 CAD
View
B
Retailer 7
-
$509 USD
View
B
Retailer 8
-
$684 USD
View
Most Expensive
B
MOH London
312310057 · Oct 29
$1,328 USD
£1,046 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $116 USDSave up to $568 USD

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
$116 USD