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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 HK$910 HKD
$116 USD
As of October 30, 2026
Save HK$4,457 HKD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$10,423 HKD 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: HK$10,423 HKD|Low: HK$887 HKD|High: HK$10,752 HKD|Avg: HK$3,047 HKD|-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 6HK$910 HKD
Retailer 4HK$1,051 HKD
Retailer 7HK$1,200 HKD
Retailer 10HK$1,420 HKD
Retailer 8HK$1,609 HKD
Retailer 11HK$1,650 HKD
Retailer 3HK$2,111 HKD
Retailer 9HK$2,808 HKD
Retailer 2HK$3,994 HKD
Retailer 5HK$5,367 HKD
MOH LondonHK$10,423 HKD

21 data points across 11 retailers

9 retailersHK$910 HKD to HK$5,367 HKD

A
Cheapest Retailer
-
HK$910 HKD
$116 USD
A
Retailer 2
-
HK$1,051 HKD
$134 USD
View
A
Retailer 3
-
HK$1,200 HKD
$153 USD
View
A
Retailer 4
-
HK$1,420 HKD
$181 USD
View
A
Retailer 5
-
HK$1,609 HKD
$205 USD
View
B+
Retailer 6
-
HK$2,808 HKD
CA$497 CAD
View
B
Retailer 7
-
HK$3,994 HKD
$509 USD
View
B
Retailer 8
-
HK$5,367 HKD
$684 USD
View
Most Expensive
MOH London
312310057 · Oct 29
HK$10,423 HKD
£1,046 GBP
View
Price under review
8 more retailers have this diamond
Prices start from HK$910 HKDSave up to HK$4,457 HKD

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
HK$910 HKD