Marquise|Lab Grown|GCAL

0.45ct F SI2 Marquise Lab Grown Diamond

VG • F/SI2 • GCAL 302950023

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 302950023

Diamond specifications and retailer prices

From HK$989 HKD
$126 USD
As of November 2, 2026
Save HK$5,349 HKD (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$6,337 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.45ct lab-grown marquise diamond

This 0.45ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GCAL 302950023. Listed at 8 retailers as of October 29, 2026, with prices from HK$989 to HK$6,337, a HK$5,349 spread on the same certified stone. MOH London lists it at HK$6,337. 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

0.45
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 302950023
Dimensions8.21 × 3.93 × 2.42 mm
L/W Ratio2.09
Culet sizeNone
Top View
8.21 mm3.93 mm0.45 ctF / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGCAL 302950023
Side View
Table 58.0%Crown 33.5°Girdle: ThickPavilion 41.1°Culet: NoneDepth 61.6%

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 2
Current: HK$6,337 HKD|Low: HK$965 HKD|High: HK$8,317 HKD|Avg: HK$2,964 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 4HK$989 HKD
Retailer 5HK$1,146 HKD
Retailer 9HK$1,248 HKD
Retailer 6HK$1,302 HKD
Retailer 7HK$1,687 HKD
Retailer 10HK$1,758 HKD
Retailer 11HK$2,161 HKD
Retailer 8HK$2,309 HKD
Retailer 2HK$4,331 HKD
MOH LondonHK$6,337 HKD
Retailer 3HK$8,317 HKD

21 data points across 11 retailers

8 retailersHK$989 HKD to HK$6,337 HKD

A
Cheapest Retailer
-
HK$989 HKD
$126 USD
B+
Retailer 2
-
HK$1,146 HKD
$146 USD
View
B+
Retailer 3
-
HK$1,248 HKD
$159 USD
View
B+
Retailer 4
-
HK$1,302 HKD
$166 USD
View
B+
Retailer 5
-
HK$1,687 HKD
$215 USD
View
B+
Retailer 6
-
HK$2,309 HKD
CA$409 CAD
View
B
Retailer 7
-
HK$4,331 HKD
$552 USD
View
Most Expensive
B
MOH London
302950023 · Oct 29
HK$6,337 HKD
£636 GBP
View
7 more retailers have this diamond
Prices start from HK$989 HKDSave up to HK$5,349 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
0.45ct Marquise
HK$989 HKD