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Round|Natural|GIA

5.03ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6525845851

Certificate GIA 6525845851

Diamond specifications and retailer prices

From £41,909 GBP
HK$438,700 HKD
As of October 30, 2026
Save £36,297 GBP (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £78,206 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.03ct natural round diamond

This 5.03ct natural round sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525845851. Listed at 10 retailers as of October 29, 2026, with prices from £41,909 to £78,206, a £36,297 spread on the same certified stone. MOH London lists it at £78,206. 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

5.03
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6525845851
Dimensions10.96 × 10.87 × 6.77 mm
L/W Ratio1.01
Top View
10.96 mm10.87 mm5.03 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 6525845851
Side View
Table 57.0%CrownGirdle: MediumPavilion 40.8°Culet: NoneDepth 62.3%

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: Oct 30
Current: £78,206 GBP|Low: £41,909 GBP|High: £78,727 GBP|Avg: £54,850 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8£41,909 GBP
Retailer 10£46,656 GBP
Retailer 9£50,290 GBP
Retailer 4£50,398 GBP
Retailer 7£51,884 GBP
Retailer 2£52,724 GBP
Retailer 5£57,270 GBP
Retailer 6£59,561 GBP
Retailer 3£63,050 GBP
MOH London£78,206 GBP

41 data points across 10 retailers

10 retailers£41,909 GBP to £78,206 GBP

A
Cheapest Retailer
-
£41,909 GBP
HK$438,700 HKD
Retailer 2
-
£46,656 GBP
SGD 84,478 SGD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£50,290 GBP
$67,383 USD
View
A
Retailer 4
-
£50,398 GBP
$67,528 USD
View
Final sale: no returns
A
Retailer 5
-
£51,884 GBP
$69,519 USD
View
A
Retailer 6
-
£52,724 GBP
View
A
Retailer 7
-
£57,270 GBP
$76,736 USD
View
A
Retailer 8
-
£59,561 GBP
$79,805 USD
View
A
Retailer 9
-
£63,050 GBP
€80,457 EUR
View
Most Expensive
A
MOH London
91A5224F1 · Oct 29
£78,206 GBP
View
9 more retailers have this diamond
Prices start from £41,909 GBPSave up to £36,297 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
5.03ct Round
£41,909 GBP