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 $129 USD
As of October 30, 2026
Save $698 USD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $827 USD at MOH London · As of October 29, 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 29, 2026, with prices from $129 to $827, a $698 spread on the same certified stone. MOH London lists it at $827. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $827 USD|Low: $126 USD|High: $851 USD|Avg: $325 USD|-1.8%
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
October 30, 2026
Retailer 11$129 USD
Retailer 10$149 USD
Retailer 4$154 USD
Retailer 6$159 USD
Retailer 13$165 USD
Retailer 5$228 USD
Retailer 3$287 USD
Retailer 7$340 USD
Retailer 9$340 USD
Retailer 12$388 USD
Retailer 2$490 USD
Retailer 8$566 USD
MOH London$827 USD

25 data points across 13 retailers

11 retailers$129 USD to $827 USD

A
Cheapest Retailer
-
$129 USD
A
Retailer 2
-
$149 USD
View
B+
Retailer 3
-
$154 USD
View
A
Retailer 4
-
$159 USD
View
A
Retailer 5
-
$165 USD
View
B+
Retailer 6
-
$287 USD
CA$399 CAD
View
B
Retailer 7
-
$340 USD
View
B
Retailer 8
-
$340 USD
View
B
Retailer 9
-
$490 USD
View
B
Retailer 10
-
$566 USD
View
Most Expensive
B
MOH London
303020013 · Oct 29
$827 USD
£651 GBP
View
10 more retailers have this diamond
Prices start from $129 USDSave up to $698 USD

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
$129 USD