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5.03ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 541280438

Shape and cutting style on the report: Round brilliant

Certificate IGI 541280438

Diamond specifications and retailer prices

From €39,187 EUR
$43,780 USD
As of October 31, 2026
Save €25,324 EUR (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €64,511 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 541280438. Listed at 8 retailers as of October 31, 2026, with prices from €39,187 to €64,511, a €25,324 spread on the same certified stone. MOH London lists it at €64,511. 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
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 541280438
Dimensions11.07 × 11.13 × 6.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
11.07 mm11.13 mm5.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 541280438
Side View
Table 58.5%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.1%

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: €64,511 EUR|Low: €37,996 EUR|High: €65,288 EUR|Avg: €47,432 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6€37,996 EUR
Retailer 9€39,187 EUR
Retailer 11€40,354 EUR
Retailer 5€41,319 EUR
Retailer 4€45,594 EUR
Retailer 3€48,496 EUR
Retailer 7€49,394 EUR
Retailer 2€49,897 EUR
Retailer 10€50,785 EUR
Retailer 8€51,294 EUR
MOH London€64,511 EUR

24 data points across 11 retailers

8 retailers€39,187 EUR to €64,511 EUR

A
Cheapest Retailer
-
€39,187 EUR
$43,780 USD
A
Retailer 2
-
€41,319 EUR
$46,162 USD
View
A
Retailer 3
-
€45,594 EUR
$50,938 USD
View
Retailer 4
-
€49,394 EUR
$55,183 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
€49,897 EUR
View
B+
Retailer 6
-
€50,785 EUR
$56,738 USD
View
Retailer 7
-
€51,294 EUR
$57,306 USD
View
Price last confirmed 32 days ago
Most Expensive
B+
MOH London
A60F920A6 · Nov 1
€64,511 EUR
£56,750 GBP
View
7 more retailers have this diamond
Prices start from €39,187 EURSave up to €25,324 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
€39,187 EUR