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 €83 EUR
$93 USD
As of October 30, 2026
Save €756 EUR (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €839 EUR at MOH London · As of November 1, 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 30, 2026, with prices from €83 to €839, a €756 spread on the same certified stone. MOH London lists it at €839. 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
Colour
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: €839 EUR|Low: €81 EUR|High: €990 EUR|Avg: €295 EUR|-15.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5€83 EUR
Retailer 4€97 EUR
Retailer 2€110 EUR
Retailer 8€110 EUR
Retailer 7€176 EUR
Retailer 9€205 EUR
Retailer 3€367 EUR
Retailer 6€525 EUR
MOH London€839 EUR

20 data points across 9 retailers

8 retailers€83 EUR to €839 EUR

A
Cheapest Retailer
-
€83 EUR
$93 USD
A
Retailer 2
-
€97 EUR
$108 USD
View
A
Retailer 3
-
€110 EUR
$123 USD
View
A
Retailer 4
-
€110 EUR
$123 USD
View
B+
Retailer 5
-
€176 EUR
CA$273 CAD
View
B
Retailer 6
-
€367 EUR
$410 USD
View
B
Retailer 7
-
€525 EUR
$586 USD
View
Most Expensive
B
MOH London
303160023 · Nov 1
€839 EUR
£738 GBP
View
7 more retailers have this diamond
Prices start from €83 EURSave up to €756 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
0.39ct Marquise
€83 EUR