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Marquise|Natural|GIA

3.03ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2556729181

Certificate GIA 2556729181

Diamond specifications and retailer prices

From £23,822 GBP
As of November 5, 2026
Save £15,138 GBP (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £38,960 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural marquise diamond

This 3.03ct natural marquise sits in the three to five carat band, graded I 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 2556729181. Listed at 9 retailers as of November 4, 2026, with prices from £23,822 to £38,960, a £15,138 spread on the same certified stone. MOH London lists it at £38,960. 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

3.03
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556729181
Dimensions14.29 × 7.57 × 4.75 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
14.29 mm7.57 mm3.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556729181
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.7%

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 5
Current: £38,960 GBP|Low: £23,822 GBP|High: £39,535 GBP|Avg: £28,135 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4£23,822 GBP
Retailer 9£23,971 GBP
Retailer 5£25,060 GBP
Retailer 3£25,196 GBP
Retailer 6£26,486 GBP
Retailer 2£29,490 GBP
Retailer 7£29,542 GBP
Retailer 8£29,807 GBP
MOH London£38,960 GBP

34 data points across 9 retailers

9 retailers£23,822 GBP to £38,960 GBP

B+
Cheapest Retailer
-
£23,822 GBP
B+
Retailer 2
-
£23,971 GBP
View
B+
Retailer 3
-
£25,060 GBP
View
B+
Retailer 4
-
£25,196 GBP
View
B+
Retailer 5
-
£26,486 GBP
View
B+
Retailer 6
-
£29,490 GBP
View
B
Retailer 7
-
£29,542 GBP
View
B
Retailer 8
-
£29,807 GBP
View
Most Expensive
B
MOH London
5B669BD65 · Nov 4
£38,960 GBP
View
8 more retailers have this diamond
Prices start from £23,822 GBPSave up to £15,138 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+
3.03ct Marquise
£23,822 GBP