CaratHunter
Plans
Round|Natural|IGI

3.25ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 819634308

Shape and cutting style on the report: Round brilliant

Certificate IGI 819634308

Diamond specifications and retailer prices

From $29,346 AUD
₹1,963,249 INR
As of October 30, 2026
Save $21,859 AUD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $51,205 AUD at MOH London · As of October 29, 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 819634308. Listed at 16 retailers as of October 29, 2026, with prices from $29,346 to $51,205, a $21,859 spread on the same certified stone. MOH London lists it at $51,205. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 819634308
Dimensions9.37 × 9.44 × 5.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.37 mm9.44 mm3.25 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819634308
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.8%

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: Oct 30
Current: $51,205 AUD|Low: $29,170 AUD|High: $51,545 AUD|Avg: $38,342 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2$29,346 AUD
Retailer 4$31,191 AUD
Retailer 7$33,392 AUD
Retailer 5$34,497 AUD
Retailer 13$35,997 AUD
Retailer 3$37,798 AUD
Retailer 12$38,997 AUD
Retailer 8$39,570 AUD
Retailer 6$39,712 AUD
Retailer 11$40,497 AUD
Retailer 10$42,052 AUD
Retailer 9$46,200 AUD
MOH London$51,205 AUD

32 data points across 13 retailers

16 retailers$29,346 AUD to $51,205 AUD

A
Cheapest Retailer
-
$29,346 AUD
₹1,963,249 INR
Retailer 2
-
$31,191 AUD
$21,910 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$32,774 AUD
$23,022 USD
View
A
Retailer 4
-
$33,392 AUD
£18,470 GBP
View
A
Retailer 5
-
$34,260 AUD
$24,066 USD
View
A
Retailer 6
-
$34,497 AUD
$24,232 USD
View
Final sale: no returns
A
Retailer 7
-
$35,049 AUD
$24,620 USD
View
A
Retailer 8
-
$35,997 AUD
$25,286 USD
View
A
Retailer 9
-
$37,798 AUD
$26,551 USD
View
B+
Retailer 10
-
$38,997 AUD
$27,393 USD
View
A
Retailer 11
-
$39,570 AUD
€26,472 EUR
View
A
Retailer 12
-
$39,712 AUD
£21,965 GBP
View
B+
Retailer 13
-
$40,497 AUD
$28,447 USD
View
B+
Retailer 14
-
$42,052 AUD
ZAR 477,203 ZAR
View
B+
Retailer 15
-
$46,200 AUD
$32,453 USD
View
Most Expensive
B+
MOH London
42C7BA705 · Oct 29
$51,205 AUD
£28,322 GBP
View
15 more retailers have this diamond
Prices start from $29,346 AUDSave up to $21,859 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
$29,346 AUD