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Heart|Natural|IGI

5.17ct E SI2 Heart Natural Diamond

E/SI2 • IGI 537237967

Shape and cutting style on the report: Heart brilliant

Certificate IGI 537237967

Diamond specifications and retailer prices

From $97,985 AUD
₹6,555,173 INR
As of October 31, 2026
Save $72,524 AUD (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $170,510 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 5.17ct natural heart diamond

This 5.17ct natural heart sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included) and certified by IGI 537237967. Listed at 2 retailers as of October 31, 2026, with prices from $97,985 to $170,510, a $72,524 spread on the same certified stone. MOH London lists it at $170,510. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.17
Carat
E
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle32.6°
Pavilion angle37.5°
OriginNatural
Grading LabIGI
CertificateIGI 537237967
Dimensions11.78 × 12.01 × 6.33 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
11.78 mm12.01 mm5.17 ctE / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 537237967
Side View
Table 61.0%Crown 32.6°Girdle: THN-THKPavilion 37.5°CuletDepth 52.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $170,510 AUD|Low: $97,959 AUD|High: $171,423 AUD|Avg: $111,701 AUD|-0.1%
MOH London
Retailer 2
November 1, 2026
Retailer 2$97,985 AUD
MOH London$170,510 AUD

37 data points across 2 retailers

2 retailers$97,985 AUD to $170,510 AUD

B+
Cheapest Retailer
-
$97,985 AUD
₹6,555,173 INR
Most Expensive
C
MOH London
D185B89B8 · Nov 1
$170,510 AUD
£94,310 GBP
View
1 more retailer has this diamond
Prices start from $97,985 AUDSave up to $72,524 AUD

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.

B+
5.17ct Heart
$97,985 AUD