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 $161 SGD
$126 USD
As of November 2, 2026
Save $872 SGD (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,033 SGD 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 $161 to $1,033, a $872 spread on the same certified stone. MOH London lists it at $1,033. 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: $1,033 SGD|Low: $157 SGD|High: $1,356 SGD|Avg: $483 SGD|-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 4$161 SGD
Retailer 5$187 SGD
Retailer 9$203 SGD
Retailer 6$212 SGD
Retailer 7$275 SGD
Retailer 10$286 SGD
Retailer 11$352 SGD
Retailer 8$376 SGD
Retailer 2$706 SGD
MOH London$1,033 SGD
Retailer 3$1,356 SGD

21 data points across 11 retailers

8 retailers$161 SGD to $1,033 SGD

A
Cheapest Retailer
-
$161 SGD
$126 USD
B+
Retailer 2
-
$187 SGD
$146 USD
View
B+
Retailer 3
-
$203 SGD
$159 USD
View
B+
Retailer 4
-
$212 SGD
$166 USD
View
B+
Retailer 5
-
$275 SGD
$215 USD
View
B+
Retailer 6
-
$376 SGD
CA$409 CAD
View
B
Retailer 7
-
$706 SGD
$552 USD
View
Most Expensive
B
MOH London
302950023 · Oct 29
$1,033 SGD
£636 GBP
View
7 more retailers have this diamond
Prices start from $161 SGDSave up to $872 SGD

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
$161 SGD