Marquise|Lab Grown|GCAL

0.43ct D SI2 Marquise Lab Grown Diamond

VG • D/SI2 • GCAL 303020013

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 303020013

Diamond specifications and retailer prices

From €115 EUR
$129 USD
As of October 30, 2026
Save €621 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €737 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.43ct lab-grown marquise diamond

This 0.43ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GCAL 303020013. Listed at 11 retailers as of October 30, 2026, with prices from €115 to €737, a €621 spread on the same certified stone. MOH London lists it at €737. 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

0.43
Carat
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 303020013
Dimensions7.26 × 4.09 × 2.51 mm
L/W Ratio1.78
Culet sizeNone
Top View
7.26 mm4.09 mm0.43 ctD / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGCAL 303020013
Side View
Table 56.0%Crown 32.8°Girdle: ThickPavilion 40.6°Culet: NoneDepth 61.4%

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: €737 EUR|Low: €113 EUR|High: €762 EUR|Avg: €291 EUR|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11€115 EUR
Retailer 10€133 EUR
Retailer 4€138 EUR
Retailer 6€142 EUR
Retailer 13€148 EUR
Retailer 5€204 EUR
Retailer 3€257 EUR
Retailer 7€304 EUR
Retailer 9€304 EUR
Retailer 12€347 EUR
Retailer 2€439 EUR
Retailer 8€507 EUR
MOH London€737 EUR

26 data points across 13 retailers

11 retailers€115 EUR to €737 EUR

A
Cheapest Retailer
-
€115 EUR
$129 USD
A
Retailer 2
-
€133 EUR
$149 USD
View
B+
Retailer 3
-
€138 EUR
$154 USD
View
A
Retailer 4
-
€142 EUR
$159 USD
View
B+
Retailer 5
-
€148 EUR
$165 USD
View
B+
Retailer 6
-
€257 EUR
CA$399 CAD
View
B
Retailer 7
-
€304 EUR
$340 USD
View
B
Retailer 8
-
€304 EUR
$340 USD
View
B
Retailer 9
-
€439 EUR
$490 USD
View
B
Retailer 10
-
€507 EUR
$566 USD
View
Most Expensive
B
MOH London
303020013 · Nov 1
€737 EUR
£648 GBP
View
10 more retailers have this diamond
Prices start from €115 EURSave up to €621 EUR

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
0.43ct Marquise
€115 EUR