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Marquise|Natural|GIA

0.40ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6512068078

Certificate GIA 6512068078

Diamond specifications and retailer prices

From €316 EUR
As of November 6, 2026
Save €700 EUR (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,016 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512068078. Listed at 15 retailers as of November 4, 2026, with prices from €316 to €1,016, a €700 spread on the same certified stone. MOH London lists it at €1,016. 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

0.40
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512068078
Dimensions6.68 × 3.65 × 2.71 mm
L/W Ratio1.83
Top View
6.68 mm3.65 mm0.40 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6512068078
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 74.4%

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: Nov 6
Current: €1,016 EUR|Low: €316 EUR|High: €1,689 EUR|Avg: €650 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2€316 EUR
Retailer 8€441 EUR
Retailer 3€445 EUR
Retailer 5€459 EUR
Retailer 7€475 EUR
Retailer 9€509 EUR
Retailer 6€593 EUR
Retailer 11€603 EUR
Retailer 4€886 EUR
MOH London€1,016 EUR
Retailer 10€1,689 EUR

37 data points across 11 retailers

15 retailers€316 EUR to €1,016 EUR

A
Cheapest Retailer
-
€316 EUR
A
Retailer 2
-
€376 EUR
View
B+
Retailer 3
-
€441 EUR
View
Retailer 4
-
€445 EUR
View
Price last confirmed 16 days ago
B+
Retailer 5
-
€459 EUR
View
B+
Retailer 6
-
€475 EUR
View
Retailer 7
-
€475 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€509 EUR
View
B
Retailer 9
-
€551 EUR
View
B
Retailer 10
-
€557 EUR
View
B
Retailer 11
-
€593 EUR
View
B
Retailer 12
-
€603 EUR
View
B
Retailer 13
-
€886 EUR
View
Most Expensive
B
MOH London
CC5D96850 · Nov 4
€1,016 EUR
£898 GBP
View
13 more retailers have this diamond
Prices start from €316 EURSave up to €700 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
0.40ct Marquise
€316 EUR