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5.17ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 634413594

Shape and cutting style on the report: Round brilliant

Certificate IGI 634413594

Diamond specifications and retailer prices

From $47,241 USD
As of October 29, 2026
Save $26,579 USD (36%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $73,820 USD at MOH London · As of October 26, 2026
View at MOH London

About this 5.17ct natural round diamond

This 5.17ct 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 IGI 634413594. Listed at 4 retailers as of October 26, 2026, with prices from $47,241 to $73,820, a $26,579 spread on the same certified stone. MOH London lists it at $73,820. 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

5.17
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 634413594
Dimensions11.04 × 10.95 × 6.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.04 mm10.95 mm5.17 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 634413594
Side View
Table 54.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $73,820 USD|Low: $45,130 USD|High: $74,610 USD|Avg: $55,160 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$45,130 USD
Retailer 4$47,241 USD
Retailer 2$55,661 USD
MOH London$73,820 USD

24 data points across 4 retailers

4 retailers$47,241 USD to $73,820 USD

Retailer 1
-
$45,130 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$47,241 USD
View
A
Retailer 3
-
$55,661 USD
€53,010 EUR
View
Most Expensive
A
MOH London
4F9120671 · Oct 26
$73,820 USD
£58,126 GBP
View
3 more retailers have this diamond
Prices start from $47,241 USDSave up to $26,579 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
5.17ct Round
$47,241 USD