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Marquise|Natural|GIA

0.31ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 7558925600

Certificate GIA 7558925600

Diamond specifications and retailer prices

From £220 GBP
$295 USD
As of November 1, 2026
Save £388 GBP (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £608 GBP at MOH London · As of November 2, 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 F 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 7558925600. Listed at 15 retailers as of November 1, 2026, with prices from £220 to £608, a £388 spread on the same certified stone. MOH London lists it at £608. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35.74°
Pavilion angle40.1°
OriginNatural
Grading LabGIA
CertificateGIA 7558925600
Dimensions6.72 × 3.53 × 2.26 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Top View
6.72 mm3.53 mm0.31 ctF / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7558925600
Side View
Table 57.0%Crown 35.74°Girdle: STK-VTKPavilion 40.1°Culet: NoneDepth 64.0%

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: £608 GBP|Low: £189 GBP|High: £1,043 GBP|Avg: £403 GBP|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 4£220 GBP
Retailer 2£232 GBP
Retailer 13£238 GBP
Retailer 5£256 GBP
Retailer 6£258 GBP
Retailer 3£266 GBP
Retailer 12£320 GBP
Retailer 14£323 GBP
Retailer 8£341 GBP
Retailer 10£360 GBP
Retailer 9£432 GBP
Retailer 7£532 GBP
MOH London£608 GBP
Retailer 11£1,007 GBP

34 data points across 14 retailers

15 retailers£220 GBP to £608 GBP

A
Cheapest Retailer
-
£220 GBP
$295 USD
Final sale: no returns
A
Retailer 2
-
£232 GBP
$312 USD
View
A
Retailer 3
-
£238 GBP
$320 USD
View
A
Retailer 4
-
£256 GBP
$344 USD
View
B+
Retailer 5
-
£258 GBP
HK$2,700 HKD
View
Retailer 6
-
£260 GBP
$349 USD
View
Price last confirmed 67 days ago
B+
Retailer 7
-
£266 GBP
$357 USD
View
B+
Retailer 8
-
£320 GBP
$430 USD
View
B+
Retailer 9
-
£323 GBP
$433 USD
View
B
Retailer 10
-
£341 GBP
View
B+
Retailer 11
-
£360 GBP
View
B
Retailer 12
-
£432 GBP
€552 EUR
View
B
Retailer 13
-
£532 GBP
View
Most Expensive
B
MOH London
D0A447D51 · Nov 2
£608 GBP
View
13 more retailers have this diamond
Prices start from £220 GBPSave up to £388 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
£220 GBP