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Marquise|Lab Grown|GCAL

0.37ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • GCAL 302820021

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 302820021

Diamond specifications and retailer prices

From HK$643 HKD
$82 USD
As of October 30, 2026
Save HK$5,883 HKD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$6,526 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.37ct lab-grown marquise diamond

This 0.37ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 302820021. Listed at 10 retailers as of October 29, 2026, with prices from HK$643 to HK$6,526, a HK$5,883 spread on the same certified stone. MOH London lists it at HK$6,526. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.37
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 302820021
Dimensions8.19 × 3.67 × 2.18 mm
L/W Ratio2.23
Culet sizeNone
Top View
8.19 mm3.67 mm0.37 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGCAL 302820021
Side View
Table 59.0%Crown 33.6°Girdle: THN-THKPavilion 40.3°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: HK$6,526 HKD|Low: HK$636 HKD|High: HK$6,766 HKD|Avg: HK$2,303 HKD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9HK$643 HKD
Retailer 6HK$745 HKD
Retailer 10HK$855 HKD
Retailer 3HK$934 HKD
Retailer 4HK$1,260 HKD
Retailer 12HK$1,463 HKD
Retailer 7HK$1,883 HKD
Retailer 5HK$2,275 HKD
Retailer 8HK$2,275 HKD
Retailer 11HK$2,566 HKD
Retailer 2HK$2,840 HKD
MOH LondonHK$6,526 HKD

22 data points across 12 retailers

10 retailersHK$643 HKD to HK$6,526 HKD

A
Cheapest Retailer
-
HK$643 HKD
$82 USD
A
Retailer 2
-
HK$745 HKD
$95 USD
View
A
Retailer 3
-
HK$855 HKD
$109 USD
View
A
Retailer 4
-
HK$934 HKD
$119 USD
View
B+
Retailer 5
-
HK$1,463 HKD
CA$259 CAD
View
B+
Retailer 6
-
HK$1,883 HKD
$240 USD
View
B
Retailer 7
-
HK$2,275 HKD
$290 USD
View
B
Retailer 8
-
HK$2,275 HKD
$290 USD
View
B
Retailer 9
-
HK$2,840 HKD
$362 USD
View
Most Expensive
B
MOH London
302820021 · Oct 29
HK$6,526 HKD
£655 GBP
View
9 more retailers have this diamond
Prices start from HK$643 HKDSave up to HK$5,883 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
0.37ct Marquise
HK$643 HKD