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 $18,570 USD
As of November 1, 2026
Save $11,651 USD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $30,221 USD 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 $18,570 to $30,221, a $11,651 spread on the same certified stone. MOH London lists it at $30,221. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $30,221 USD|Low: $18,570 USD|High: $31,059 USD|Avg: $22,296 USD|-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 1, 2026
Retailer 5$18,570 USD
Retailer 6$18,587 USD
Retailer 8$19,326 USD
Retailer 3$20,535 USD
Retailer 12$21,411 USD
Retailer 10$21,906 USD
Retailer 2$22,529 USD
Retailer 11$23,058 USD
Retailer 9$23,139 USD
Retailer 4$23,838 USD
Retailer 7$25,085 USD
MOH London$30,221 USD

22 data points across 12 retailers

14 retailers$18,570 USD to $30,221 USD

A
Cheapest Retailer
-
$18,570 USD
A
Retailer 2
-
$18,587 USD
£14,636 GBP
View
A
Retailer 3
-
$19,326 USD
View
A
Retailer 4
-
$20,535 USD
View
A
Retailer 5
-
$21,411 USD
View
A
Retailer 6
-
$21,906 USD
SGD 29,603 SGD
View
A
Retailer 7
-
$22,529 USD
€21,456 EUR
View
B+
Retailer 8
-
$23,058 USD
View
A
Retailer 9
-
$23,139 USD
View
A
Retailer 10
-
$23,838 USD
View
Retailer 11
-
$23,880 USD
View
Price last confirmed 40 days ago
A
Retailer 12
-
$25,085 USD
ZAR 405,249 ZAR
View
Retailer 13
-
$28,291 USD
View
Price last confirmed 43 days ago
Most Expensive
B+
MOH London
F65167123 · Nov 1
$30,221 USD
£23,796 GBP
View
13 more retailers have this diamond
Prices start from $18,570 USDSave up to $11,651 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
$18,570 USD