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Marquise|Natural|GIA

3.50ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 1513723575

Certificate GIA 1513723575

Diamond specifications and retailer prices

From £42,713 GBP
$57,318 USD
As of November 2, 2026
Save £28,229 GBP (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £70,941 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 3.5ct natural marquise diamond

This 3.5ct natural marquise sits in the three to five 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 1513723575. Listed at 6 retailers as of November 2, 2026, with prices from £42,713 to £70,941, a £28,229 spread on the same certified stone. MOH London lists it at £70,941. 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

3.50
Carat
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1513723575
Dimensions16.42 × 8.02 × 4.57 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Top View
16.42 mm8.02 mm3.50 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1513723575
Side View
Table 63.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 57.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £70,941 GBP|Low: £42,713 GBP|High: £71,796 GBP|Avg: £53,146 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6£42,713 GBP
Retailer 2£45,827 GBP
Retailer 5£47,317 GBP
Retailer 7£53,513 GBP
Retailer 4£55,098 GBP
Retailer 3£55,864 GBP
MOH London£70,941 GBP

41 data points across 7 retailers

6 retailers£42,713 GBP to £70,941 GBP

B+
Cheapest Retailer
-
£42,713 GBP
$57,318 USD
B+
Retailer 2
-
£45,827 GBP
View
B+
Retailer 3
-
£47,317 GBP
$63,496 USD
View
B
Retailer 4
-
£55,098 GBP
€70,417 EUR
View
B
Retailer 5
-
£55,864 GBP
View
Most Expensive
B
MOH London
6754631DB · Nov 2
£70,941 GBP
View
5 more retailers have this diamond
Prices start from £42,713 GBPSave up to £28,229 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.

B+
3.50ct Marquise
£42,713 GBP