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5.03ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 647435344

Shape and cutting style on the report: Round brilliant

Certificate IGI 647435344

Diamond specifications and retailer prices

From €44,092 EUR
$49,260 USD
As of October 31, 2026
Save €28,873 EUR (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €72,965 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 647435344. Listed at 11 retailers as of October 31, 2026, with prices from €44,092 to €72,965, a €28,873 spread on the same certified stone. MOH London lists it at €72,965. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 647435344
Dimensions10.94 × 10.86 × 6.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.94 mm10.86 mm5.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 647435344
Side View
Table 60.0%Crown 36.2°Girdle: Slightly ThickPavilion 40.9°Culet: NoneDepth 61.9%

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 31
Current: €72,965 EUR|Low: €44,092 EUR|High: €73,746 EUR|Avg: €55,322 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10€44,092 EUR
Retailer 7€48,667 EUR
Retailer 4€51,570 EUR
Retailer 5€53,719 EUR
Retailer 8€55,867 EUR
Retailer 3€56,688 EUR
Retailer 6€57,449 EUR
Retailer 9€58,016 EUR
Retailer 2€59,317 EUR
MOH London€72,965 EUR

23 data points across 10 retailers

11 retailers€44,092 EUR to €72,965 EUR

A
Cheapest Retailer
-
€44,092 EUR
$49,260 USD
A
Retailer 2
-
€46,734 EUR
$52,212 USD
View
A
Retailer 3
-
€48,667 EUR
$54,371 USD
View
A
Retailer 4
-
€51,570 EUR
$57,614 USD
View
B+
Retailer 5
-
€53,719 EUR
$60,015 USD
View
B+
Retailer 6
-
€55,867 EUR
$62,415 USD
View
A
Retailer 7
-
€56,688 EUR
View
B+
Retailer 8
-
€57,449 EUR
$64,182 USD
View
B+
Retailer 9
-
€58,016 EUR
$64,816 USD
View
A
Retailer 10
-
€59,317 EUR
£52,180 GBP
View
Most Expensive
B+
MOH London
F835C08FF · Nov 1
€72,965 EUR
£64,187 GBP
View
10 more retailers have this diamond
Prices start from €44,092 EURSave up to €28,873 EUR

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
€44,092 EUR