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Round|Natural|IGI

5.61ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 586337372

Shape and cutting style on the report: Round brilliant

Certificate IGI 586337372

Diamond specifications and retailer prices

From $91,708 AUD
$64,420 USD
As of November 1, 2026
Save $73,667 AUD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $165,375 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 5.61ct natural round diamond

This 5.61ct 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 586337372. Listed at 8 retailers as of November 1, 2026, with prices from $91,708 to $165,375, a $73,667 spread on the same certified stone. MOH London lists it at $165,375. 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

5.61
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 586337372
Dimensions11.61 × 11.57 × 6.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
11.61 mm11.57 mm5.61 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 586337372
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.1%

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: Nov 1
Current: $165,375 AUD|Low: $91,708 AUD|High: $167,368 AUD|Avg: $117,274 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$91,708 AUD
Retailer 9$94,265 AUD
Retailer 4$95,962 AUD
Retailer 8$105,890 AUD
Retailer 6$114,715 AUD
Retailer 7$119,127 AUD
Retailer 2$124,161 AUD
Retailer 10$124,322 AUD
Retailer 5$136,067 AUD
MOH London$165,375 AUD

27 data points across 10 retailers

8 retailers$91,708 AUD to $165,375 AUD

A
Cheapest Retailer
-
$91,708 AUD
$64,420 USD
A
Retailer 2
-
$95,962 AUD
$67,408 USD
View
B+
Retailer 3
-
$105,890 AUD
$74,382 USD
View
B+
Retailer 4
-
$114,715 AUD
$80,581 USD
View
B+
Retailer 5
-
$119,127 AUD
$83,680 USD
View
B+
Retailer 6
-
$124,161 AUD
€83,063 EUR
View
Retailer 7
-
$136,067 AUD
£75,259 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
7A9823186 · Nov 1
$165,375 AUD
£91,470 GBP
View
7 more retailers have this diamond
Prices start from $91,708 AUDSave up to $73,667 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.

A
5.61ct Round
$91,708 AUD