Round|Natural|IGI

5.03ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 816672838

Shape and cutting style on the report: Round brilliant

Certificate IGI 816672838

Diamond specifications and retailer prices

From €27,951 EUR
$31,227 USD
As of October 30, 2026
Save €19,998 EUR (42%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €47,949 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 816672838. Listed at 11 retailers as of October 30, 2026, with prices from €27,951 to €47,949, a €19,998 spread on the same certified stone. MOH London lists it at €47,949. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 816672838
Dimensions10.82 × 10.87 × 6.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
10.82 mm10.87 mm5.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 816672838
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°CuletDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €47,949 EUR|Low: €27,951 EUR|High: €63,394 EUR|Avg: €34,320 EUR|+12.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6€27,951 EUR
Retailer 2€30,453 EUR
Retailer 5€30,702 EUR
Retailer 4€31,167 EUR
Retailer 8€32,424 EUR
Retailer 7€32,828 EUR
Retailer 3€37,086 EUR
MOH London€47,949 EUR

33 data points across 8 retailers

11 retailers€27,951 EUR to €47,949 EUR

A
Cheapest Retailer
-
€27,951 EUR
$31,227 USD
Retailer 2
-
€28,510 EUR
$31,852 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
€30,453 EUR
£26,789 GBP
View
A
Retailer 4
-
€30,702 EUR
$34,300 USD
View
A
Retailer 5
-
€31,167 EUR
£27,417 GBP
View
Retailer 6
-
€32,424 EUR
ZAR 585,210 ZAR
View
Price last confirmed 37 days ago
Retailer 7
-
€32,729 EUR
$36,565 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
€32,828 EUR
$36,676 USD
View
Retailer 9
-
€33,987 EUR
$37,971 USD
View
Price last confirmed 34 days ago
A
Retailer 10
-
€37,086 EUR
View
Most Expensive
B+
MOH London
1D326C420 · Nov 1
€47,949 EUR
£42,180 GBP
View
10 more retailers have this diamond
Prices start from €27,951 EURSave up to €19,998 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
€27,951 EUR