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Marquise|Natural|GIA

0.31ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 6562503169

Certificate GIA 6562503169

Diamond specifications and retailer prices

From £122 GBP
₹15,574 INR
As of November 1, 2026
Save £267 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £389 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.31ct natural marquise diamond

This 0.31ct natural marquise sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562503169. Listed at 10 retailers as of November 1, 2026, with prices from £122 to £389, a £267 spread on the same certified stone. MOH London lists it at £389. 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

0.31
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562503169
Dimensions7.59 × 3.39 × 2.02 mm
L/W Ratio2.24
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
7.59 mm3.39 mm0.31 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562503169
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.7%

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 1
Current: £389 GBP|Low: £122 GBP|High: £414 GBP|Avg: £245 GBP|-6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2£122 GBP
Retailer 9£155 GBP
Retailer 8£194 GBP
Retailer 5£194 GBP
Retailer 4£256 GBP
Retailer 6£261 GBP
Retailer 7£265 GBP
Retailer 3£341 GBP
MOH London£389 GBP

26 data points across 9 retailers

10 retailers£122 GBP to £389 GBP

A
Cheapest Retailer
-
£122 GBP
₹15,574 INR
A
Retailer 2
-
£155 GBP
$208 USD
View
Final sale: no returns
A
Retailer 3
-
£194 GBP
$260 USD
View
A
Retailer 4
-
£194 GBP
$260 USD
View
B+
Retailer 5
-
£256 GBP
View
B+
Retailer 6
-
£261 GBP
ZAR 5,646 ZAR
View
B+
Retailer 7
-
£265 GBP
$356 USD
View
Retailer 8
-
£310 GBP
A$640 AUD
View
Price last confirmed 29 days ago
B
Retailer 9
-
£341 GBP
View
Most Expensive
B
MOH London
611022B97 · Nov 1
£389 GBP
View
9 more retailers have this diamond
Prices start from £122 GBPSave up to £267 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
0.31ct Marquise
£122 GBP