Round|Natural|GIA

3.25ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556407892

Certificate GIA 2556407892

Diamond specifications and retailer prices

From $35,095 AUD
$24,652 USD
As of October 30, 2026
Save $19,873 AUD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $54,968 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 GIA 2556407892. Listed at 15 retailers as of October 29, 2026, with prices from $35,095 to $54,968, a $19,873 spread on the same certified stone. MOH London lists it at $54,968. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556407892
Dimensions9.38 × 9.42 × 5.91 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.38 mm9.42 mm3.25 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556407892
Side View
Table 58.0%Crown 35.5°GirdlePavilion 41.2°Culet: NoneDepth 62.9%

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: $54,968 AUD|Low: $35,095 AUD|High: $57,859 AUD|Avg: $42,562 AUD|-5.0%
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
Retailer 14
October 31, 2026
Retailer 14$35,095 AUD
Retailer 3$35,183 AUD
Retailer 7$35,313 AUD
Retailer 2$37,597 AUD
Retailer 11$38,642 AUD
Retailer 12$40,575 AUD
Retailer 13$41,862 AUD
Retailer 8$42,477 AUD
Retailer 10$42,630 AUD
Retailer 9$42,998 AUD
Retailer 6$43,472 AUD
Retailer 4$45,142 AUD
Retailer 5$49,595 AUD
MOH London$54,968 AUD

20 data points across 14 retailers

15 retailers$35,095 AUD to $54,968 AUD

A
Cheapest Retailer
-
$35,095 AUD
$24,652 USD
A
Retailer 2
-
$35,183 AUD
$24,714 USD
View
A
Retailer 3
-
$35,313 AUD
£19,532 GBP
View
A
Retailer 4
-
$37,597 AUD
$26,410 USD
View
Retailer 5
-
$38,492 AUD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$38,642 AUD
$27,144 USD
View
A
Retailer 7
-
$40,575 AUD
$28,502 USD
View
A
Retailer 8
-
$41,862 AUD
$29,406 USD
View
A
Retailer 9
-
$42,477 AUD
€28,417 EUR
View
A
Retailer 10
-
$42,630 AUD
£23,579 GBP
View
A
Retailer 11
-
$42,998 AUD
$30,203 USD
View
A
Retailer 12
-
$43,472 AUD
$30,537 USD
View
B+
Retailer 13
-
$45,142 AUD
ZAR 512,270 ZAR
View
B
Retailer 14
-
$49,595 AUD
$34,838 USD
View
Most Expensive
B
MOH London
962E5E0A7 · Oct 29
$54,968 AUD
£30,403 GBP
View
14 more retailers have this diamond
Prices start from $35,095 AUDSave up to $19,873 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
$35,095 AUD