CaratHunter
Plans
Round|Natural|IGI

3.25ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 809656767

Shape and cutting style on the report: Round brilliant

Certificate IGI 809656767

Diamond specifications and retailer prices

From $26,436 AUD
$18,570 USD
As of November 1, 2026
Save $16,586 AUD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $43,023 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.25ct natural round diamond

This 3.25ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 809656767. Listed at 14 retailers as of November 1, 2026, with prices from $26,436 to $43,023, a $16,586 spread on the same certified stone. MOH London lists it at $43,023. 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

3.25
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 809656767
Dimensions9.34 × 9.41 × 5.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.34 mm9.41 mm3.25 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 809656767
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

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: $43,023 AUD|Low: $26,436 AUD|High: $44,216 AUD|Avg: $31,768 AUD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$26,436 AUD
Retailer 2$26,461 AUD
Retailer 8$27,512 AUD
Retailer 3$29,234 AUD
Retailer 12$30,481 AUD
Retailer 10$31,186 AUD
Retailer 5$32,072 AUD
Retailer 11$32,825 AUD
Retailer 9$32,941 AUD
Retailer 4$33,936 AUD
Retailer 7$35,711 AUD
MOH London$43,023 AUD

23 data points across 12 retailers

14 retailers$26,436 AUD to $43,023 AUD

A
Cheapest Retailer
-
$26,436 AUD
$18,570 USD
A
Retailer 2
-
$26,461 AUD
£14,636 GBP
View
A
Retailer 3
-
$27,512 AUD
$19,326 USD
View
A
Retailer 4
-
$29,234 AUD
$20,535 USD
View
A
Retailer 5
-
$30,481 AUD
$21,411 USD
View
A
Retailer 6
-
$31,186 AUD
SGD 29,603 SGD
View
A
Retailer 7
-
$32,072 AUD
€21,456 EUR
View
B+
Retailer 8
-
$32,825 AUD
$23,058 USD
View
A
Retailer 9
-
$32,941 AUD
$23,139 USD
View
A
Retailer 10
-
$33,936 AUD
$23,838 USD
View
Retailer 11
-
$33,996 AUD
$23,880 USD
View
Price last confirmed 40 days ago
A
Retailer 12
-
$35,711 AUD
ZAR 405,249 ZAR
View
Retailer 13
-
$40,275 AUD
$28,291 USD
View
Price last confirmed 43 days ago
Most Expensive
B+
MOH London
F65167123 · Nov 1
$43,023 AUD
£23,796 GBP
View
13 more retailers have this diamond
Prices start from $26,436 AUDSave up to $16,586 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
3.25ct Round
$26,436 AUD