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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 $49,260 USD
As of October 31, 2026
Save $32,257 USD (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $81,517 USD 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 $49,260 to $81,517, a $32,257 spread on the same certified stone. MOH London lists it at $81,517. 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: $81,517 USD|Low: $49,260 USD|High: $82,390 USD|Avg: $61,806 USD|-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$49,260 USD
Retailer 7$54,371 USD
Retailer 4$57,614 USD
Retailer 5$60,015 USD
Retailer 8$62,415 USD
Retailer 3$63,332 USD
Retailer 6$64,182 USD
Retailer 9$64,816 USD
Retailer 2$66,269 USD
MOH London$81,517 USD

23 data points across 10 retailers

11 retailers$49,260 USD to $81,517 USD

A
Cheapest Retailer
-
$49,260 USD
A
Retailer 2
-
$52,212 USD
View
A
Retailer 3
-
$54,371 USD
View
A
Retailer 4
-
$57,614 USD
View
B+
Retailer 5
-
$60,015 USD
View
B+
Retailer 6
-
$62,415 USD
View
A
Retailer 7
-
$63,332 USD
€60,316 EUR
View
B+
Retailer 8
-
$64,182 USD
View
B+
Retailer 9
-
$64,816 USD
View
A
Retailer 10
-
$66,269 USD
£52,180 GBP
View
Most Expensive
B+
MOH London
F835C08FF · Nov 1
$81,517 USD
£64,187 GBP
View
10 more retailers have this diamond
Prices start from $49,260 USDSave up to $32,257 USD

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
$49,260 USD