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Marquise|Lab Grown|GCAL

0.39ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • GCAL 303160023

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 303160023

Diamond specifications and retailer prices

From $130 CAD
$93 USD
As of October 30, 2026
Save $1,189 CAD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,319 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.39ct lab-grown marquise diamond

This 0.39ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 303160023. Listed at 8 retailers as of October 29, 2026, with prices from $130 to $1,319, a $1,189 spread on the same certified stone. MOH London lists it at $1,319. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.39
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 303160023
Dimensions7.63 × 3.68 × 2.34 mm
L/W Ratio2.07
Culet sizeNone
Top View
7.63 mm3.68 mm0.39 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 303160023
Side View
Table 56.0%Crown 34°GirdlePavilion 41.2°Culet: NoneDepth 63.6%

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: Oct 30
Current: $1,319 CAD|Low: $130 CAD|High: $1,548 CAD|Avg: $530 CAD|-14.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$130 CAD
Retailer 4$151 CAD
Retailer 2$172 CAD
Retailer 8$172 CAD
Retailer 7$275 CAD
Retailer 9$320 CAD
Retailer 3$574 CAD
Retailer 6$820 CAD
MOH London$1,319 CAD

17 data points across 9 retailers

8 retailers$130 CAD to $1,319 CAD

A
Cheapest Retailer
-
$130 CAD
$93 USD
A
Retailer 2
-
$151 CAD
$108 USD
View
A
Retailer 3
-
$172 CAD
$123 USD
View
A
Retailer 4
-
$172 CAD
$123 USD
View
B+
Retailer 5
-
$275 CAD
View
B
Retailer 6
-
$574 CAD
$410 USD
View
B
Retailer 7
-
$820 CAD
$586 USD
View
Most Expensive
B
MOH London
303160023 · Oct 29
$1,319 CAD
£742 GBP
View
7 more retailers have this diamond
Prices start from $130 CADSave up to $1,189 CAD

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
0.39ct Marquise
$130 CAD