Marquise|Lab Grown|GCAL

0.41ct E SI2 Marquise Lab Grown Diamond

EX • E/SI2 • GCAL 311270060

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 311270060

Diamond specifications and retailer prices

From £88 GBP
$117 USD
As of October 27, 2026
Save £300 GBP (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,011 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.41ct lab-grown marquise diamond

This 0.41ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 311270060. Listed at 8 retailers as of October 27, 2026, with a 341% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.41
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.1°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 311270060
Dimensions7.21 × 4.06 × 2.41 mm
L/W Ratio1.78
Culet sizeNone
Top View
7.21 mm4.06 mm0.41 ctE / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 311270060
Side View
Table 61.0%Crown 34°Girdle: ThickPavilion 40.1°Culet: NoneDepth 59.4%

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 27
Current: £1,011 GBP|Low: £86 GBP|High: £1,040 GBP|Avg: £329 GBP|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4£88 GBP
Retailer 6£101 GBP
Retailer 3£102 GBP
Retailer 8£113 GBP
Retailer 5£116 GBP
Retailer 9£190 GBP
Retailer 7£204 GBP
Retailer 2£387 GBP
Retailer 10£879 GBP
MOH London£1,011 GBP

17 data points across 10 retailers

8 retailers£88 GBP to £387 GBP

A
Cheapest Retailer
-
£88 GBP
$117 USD
A
Retailer 2
-
£101 GBP
$135 USD
View
A
Retailer 3
-
£102 GBP
$136 USD
View
A
Retailer 4
-
£113 GBP
$150 USD
View
A
Retailer 5
-
£116 GBP
$155 USD
View
B+
Retailer 6
-
£204 GBP
CA$377 CAD
View
B
Retailer 7
-
£387 GBP
$516 USD
View
Most Expensive
MOH London
311270060 · Oct 29
£1,011 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £88 GBPSave up to £300 GBP

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
0.41ct Marquise
£88 GBP