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 $224 NZD
$126 USD
As of November 2, 2026
Save $1,203 NZD (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,427 NZD at MOH London · As of November 2, 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 November 2, 2026, with prices from $224 to $1,427, a $1,203 spread on the same certified stone. MOH London lists it at $1,427. 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: $1,427 NZD|Low: $219 NZD|High: $1,884 NZD|Avg: $670 NZD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4$224 NZD
Retailer 5$259 NZD
Retailer 9$283 NZD
Retailer 6$295 NZD
Retailer 7$382 NZD
Retailer 10$398 NZD
Retailer 11$490 NZD
Retailer 8$523 NZD
Retailer 2$981 NZD
MOH London$1,427 NZD
Retailer 3$1,884 NZD

22 data points across 11 retailers

8 retailers$224 NZD to $1,427 NZD

A
Cheapest Retailer
-
$224 NZD
$126 USD
B+
Retailer 2
-
$259 NZD
$146 USD
View
B+
Retailer 3
-
$283 NZD
$159 USD
View
B+
Retailer 4
-
$295 NZD
$166 USD
View
B+
Retailer 5
-
$382 NZD
$215 USD
View
B
Retailer 6
-
$523 NZD
CA$409 CAD
View
B
Retailer 7
-
$981 NZD
$552 USD
View
Most Expensive
B
MOH London
302950023 · Nov 2
$1,427 NZD
£632 GBP
View
7 more retailers have this diamond
Prices start from $224 NZDSave up to $1,203 NZD

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
$224 NZD