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Marquise|Natural|GIA

0.40ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6561722846

Certificate GIA 6561722846

Diamond specifications and retailer prices

From £230 GBP
₹29,334 INR
As of November 2, 2026
Save £499 GBP (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £729 GBP at MOH London · As of November 2, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561722846. Listed at 9 retailers as of November 2, 2026, with prices from £230 to £729, a £499 spread on the same certified stone. MOH London lists it at £729. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561722846
Dimensions7.25 × 3.80 × 2.39 mm
L/W Ratio1.91
Culet sizeNone
Key to symbols
Crystal
Top View
7.25 mm3.80 mm0.40 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561722846
Side View
Table 57.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 62.9%

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 2
Current: £729 GBP|Low: £230 GBP|High: £729 GBP|Avg: £373 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2£230 GBP
Retailer 7£267 GBP
Retailer 8£334 GBP
Retailer 3£395 GBP
Retailer 6£425 GBP
Retailer 5£433 GBP
Retailer 4£481 GBP
MOH London£729 GBP

8 data points across 8 retailers

9 retailers£230 GBP to £729 GBP

A
Cheapest Retailer
-
£230 GBP
₹29,334 INR
A
Retailer 2
-
£267 GBP
HK$2,800 HKD
View
B+
Retailer 3
-
£330 GBP
A$682 AUD
View
B+
Retailer 4
-
£334 GBP
SGD 606 SGD
View
B
Retailer 5
-
£395 GBP
View
B
Retailer 6
-
£425 GBP
$570 USD
View
B
Retailer 7
-
£433 GBP
View
B
Retailer 8
-
£481 GBP
€615 EUR
View
Most Expensive
B
MOH London
EB6E32F2B · Nov 2
£729 GBP
View
8 more retailers have this diamond
Prices start from £230 GBPSave up to £499 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
0.40ct Marquise
£230 GBP