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 $20,614 USD
₹1,963,249 INR
As of October 30, 2026
Save $15,355 USD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $35,969 USD 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 $20,614 to $35,969, a $15,355 spread on the same certified stone. MOH London lists it at $35,969. 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
Color
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: $35,969 USD|Low: $20,490 USD|High: $36,208 USD|Avg: $26,933 USD|-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$20,614 USD
Retailer 4$21,910 USD
Retailer 7$23,456 USD
Retailer 5$24,232 USD
Retailer 13$25,286 USD
Retailer 3$26,551 USD
Retailer 12$27,393 USD
Retailer 8$27,796 USD
Retailer 6$27,896 USD
Retailer 11$28,447 USD
Retailer 10$29,539 USD
Retailer 9$32,453 USD
MOH London$35,969 USD

32 data points across 13 retailers

16 retailers$20,614 USD to $35,969 USD

A
Cheapest Retailer
-
$20,614 USD
₹1,963,249 INR
Retailer 2
-
$21,910 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$23,022 USD
View
A
Retailer 4
-
$23,456 USD
£18,470 GBP
View
A
Retailer 5
-
$24,066 USD
View
A
Retailer 6
-
$24,232 USD
View
Final sale: no returns
A
Retailer 7
-
$24,620 USD
View
A
Retailer 8
-
$25,286 USD
View
A
Retailer 9
-
$26,551 USD
View
B+
Retailer 10
-
$27,393 USD
View
A
Retailer 11
-
$27,796 USD
€26,472 EUR
View
A
Retailer 12
-
$27,896 USD
£21,965 GBP
View
B+
Retailer 13
-
$28,447 USD
View
B+
Retailer 14
-
$29,539 USD
ZAR 477,203 ZAR
View
B+
Retailer 15
-
$32,453 USD
View
Most Expensive
B+
MOH London
42C7BA705 · Oct 29
$35,969 USD
£28,322 GBP
View
15 more retailers have this diamond
Prices start from $20,614 USDSave up to $15,355 USD

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
$20,614 USD