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Heart|Natural|GIA

3.03ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 5231562145

Certificate GIA 5231562145

Diamond specifications and retailer prices

From £26,241 GBP
As of November 5, 2026
Save £17,025 GBP (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £43,266 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural heart diamond

This 3.03ct natural heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231562145. Listed at 14 retailers as of November 4, 2026, with prices from £26,241 to £43,266, a £17,025 spread on the same certified stone. MOH London lists it at £43,266. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle42.5°
OriginNatural
Grading LabGIA
CertificateGIA 5231562145
Dimensions8.90 × 10.09 × 5.76 mm
L/W Ratio1.13
Top View
8.90 mm10.09 mm3.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231562145
Side View
Table 59.0%CrownGirdle: MED-VTKPavilion 42.5°Culet: NoneDepth 57.1%

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: £43,266 GBP|Low: £26,241 GBP|High: £43,904 GBP|Avg: £31,146 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£26,241 GBP
Retailer 2£27,165 GBP
Retailer 7£27,618 GBP
Retailer 4£27,824 GBP
Retailer 3£29,242 GBP
Retailer 11£29,242 GBP
Retailer 9£29,429 GBP
Retailer 10£32,211 GBP
Retailer 5£32,372 GBP
Retailer 8£32,824 GBP
MOH London£43,266 GBP

35 data points across 11 retailers

14 retailers£26,241 GBP to £43,266 GBP

B+
Cheapest Retailer
-
£26,241 GBP
B+
Retailer 2
-
£27,165 GBP
View
B+
Retailer 3
-
£27,618 GBP
View
B+
Retailer 4
-
£27,824 GBP
View
Retailer 5
-
£28,935 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
£28,935 GBP
View
Price last confirmed 47 days ago
B
Retailer 7
-
£28,935 GBP
View
B
Retailer 8
-
£29,242 GBP
View
B
Retailer 9
-
£29,242 GBP
View
B
Retailer 10
-
£29,429 GBP
View
B
Retailer 11
-
£30,221 GBP
View
B
Retailer 12
-
£32,372 GBP
View
B
Retailer 13
-
£32,824 GBP
View
Most Expensive
B
MOH London
92174DDC6 · Nov 4
£43,266 GBP
View
13 more retailers have this diamond
Prices start from £26,241 GBPSave up to £17,025 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 Heart
£26,241 GBP