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Marquise|Natural|GIA

3.03ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6545196623

Certificate GIA 6545196623

Diamond specifications and retailer prices

From £22,766 GBP
As of November 6, 2026
Save £17,744 GBP (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £40,510 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 6545196623. Listed at 19 retailers as of November 4, 2026, with prices from £22,766 to £40,510, a £17,744 spread on the same certified stone. MOH London lists it at £40,510. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545196623
Dimensions15.01 × 7.44 × 4.63 mm
L/W Ratio2.02
Top View
15.01 mm7.44 mm3.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545196623
Side View
Table 57.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 62.2%

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 6
Current: £40,510 GBP|Low: £22,766 GBP|High: £41,054 GBP|Avg: £27,759 GBP|-1.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 11£22,766 GBP
Retailer 15£23,704 GBP
Retailer 9£23,914 GBP
Retailer 8£24,602 GBP
Retailer 16£24,632 GBP
Retailer 14£24,825 GBP
Retailer 5£26,202 GBP
Retailer 19£26,313 GBP
Retailer 17£26,936 GBP
Retailer 3£27,247 GBP
Retailer 6£27,247 GBP
Retailer 7£27,308 GBP
Retailer 18£28,014 GBP
Retailer 12£28,159 GBP
Retailer 13£29,091 GBP
Retailer 4£30,546 GBP
Retailer 10£30,999 GBP
Retailer 2£31,632 GBP
MOH London£40,510 GBP

33 data points across 19 retailers

19 retailers£22,766 GBP to £40,510 GBP

A
Cheapest Retailer
-
£22,766 GBP
A
Retailer 2
-
£23,704 GBP
View
Final sale: no returns
B+
Retailer 3
-
£23,914 GBP
View
B+
Retailer 4
-
£24,602 GBP
View
B+
Retailer 5
-
£24,632 GBP
View
B+
Retailer 6
-
£24,825 GBP
View
B+
Retailer 7
-
£26,202 GBP
View
B+
Retailer 8
-
£26,313 GBP
View
B+
Retailer 9
-
£26,936 GBP
View
B+
Retailer 10
-
£27,247 GBP
View
B+
Retailer 11
-
£27,247 GBP
View
B+
Retailer 12
-
£27,308 GBP
View
B+
Retailer 13
-
£28,014 GBP
View
B+
Retailer 14
-
£28,159 GBP
View
B+
Retailer 15
-
£29,091 GBP
View
B
Retailer 16
-
£30,546 GBP
View
B
Retailer 17
-
£30,999 GBP
View
B
Retailer 18
-
£31,632 GBP
View
Most Expensive
B
MOH London
0B9112ABF · Nov 4
£40,510 GBP
View
18 more retailers have this diamond
Prices start from £22,766 GBPSave up to £17,744 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
3.03ct Marquise
£22,766 GBP