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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 $36,576 NZD
₹1,963,249 INR
As of October 30, 2026
Save $27,244 NZD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $63,820 NZD 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 $36,576 to $63,820, a $27,244 spread on the same certified stone. MOH London lists it at $63,820. 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: $63,820 NZD|Low: $36,356 NZD|High: $64,243 NZD|Avg: $47,787 NZD|-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$36,576 NZD
Retailer 4$38,875 NZD
Retailer 7$41,618 NZD
Retailer 5$42,995 NZD
Retailer 13$44,865 NZD
Retailer 3$47,109 NZD
Retailer 12$48,603 NZD
Retailer 8$49,318 NZD
Retailer 6$49,495 NZD
Retailer 11$50,474 NZD
Retailer 10$52,411 NZD
Retailer 9$57,581 NZD
MOH London$63,820 NZD

32 data points across 13 retailers

16 retailers$36,576 NZD to $63,820 NZD

A
Cheapest Retailer
-
$36,576 NZD
₹1,963,249 INR
Retailer 2
-
$38,875 NZD
$21,910 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$40,848 NZD
$23,022 USD
View
A
Retailer 4
-
$41,618 NZD
£18,470 GBP
View
A
Retailer 5
-
$42,700 NZD
$24,066 USD
View
A
Retailer 6
-
$42,995 NZD
$24,232 USD
View
Final sale: no returns
A
Retailer 7
-
$43,683 NZD
$24,620 USD
View
A
Retailer 8
-
$44,865 NZD
$25,286 USD
View
A
Retailer 9
-
$47,109 NZD
$26,551 USD
View
B+
Retailer 10
-
$48,603 NZD
$27,393 USD
View
A
Retailer 11
-
$49,318 NZD
€26,472 EUR
View
A
Retailer 12
-
$49,495 NZD
£21,965 GBP
View
B+
Retailer 13
-
$50,474 NZD
$28,447 USD
View
B+
Retailer 14
-
$52,411 NZD
ZAR 477,203 ZAR
View
B+
Retailer 15
-
$57,581 NZD
$32,453 USD
View
Most Expensive
B+
MOH London
42C7BA705 · Oct 29
$63,820 NZD
£28,322 GBP
View
15 more retailers have this diamond
Prices start from $36,576 NZDSave up to $27,244 NZD

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
$36,576 NZD