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3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 526257569

Shape and cutting style on the report: Round brilliant

Certificate IGI 526257569

Diamond specifications and retailer prices

From $43,784 NZD
₹2,346,210 INR
As of November 2, 2026
Save $32,204 NZD (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $75,988 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct 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 526257569. Listed at 14 retailers as of November 1, 2026, with prices from $43,784 to $75,988, a $32,204 spread on the same certified stone. MOH London lists it at $75,988. 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

3.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 526257569
Dimensions9.66 × 9.71 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.66 mm9.71 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 526257569
Side View
Table 58.5%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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: Nov 2
Current: $75,988 NZD|Low: $43,696 NZD|High: $76,902 NZD|Avg: $55,469 NZD|-1.2%
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
November 2, 2026
Retailer 2$43,784 NZD
Retailer 3$48,897 NZD
Retailer 4$49,229 NZD
Retailer 6$49,863 NZD
Retailer 11$50,681 NZD
Retailer 13$52,199 NZD
Retailer 9$53,705 NZD
Retailer 10$56,390 NZD
Retailer 5$58,180 NZD
Retailer 7$58,775 NZD
Retailer 12$60,418 NZD
Retailer 8$63,073 NZD
MOH London$75,988 NZD

35 data points across 13 retailers

14 retailers$43,784 NZD to $75,988 NZD

A
Cheapest Retailer
-
$43,784 NZD
₹2,346,210 INR
A
Retailer 2
-
$48,897 NZD
$27,512 USD
View
A
Retailer 3
-
$49,229 NZD
$27,699 USD
View
Final sale: no returns
A
Retailer 4
-
$49,863 NZD
£22,091 GBP
View
A
Retailer 5
-
$50,681 NZD
$28,516 USD
View
A
Retailer 6
-
$51,433 NZD
$28,939 USD
View
A
Retailer 7
-
$52,199 NZD
$29,370 USD
View
B+
Retailer 8
-
$53,705 NZD
$30,217 USD
View
B+
Retailer 9
-
$56,390 NZD
$31,728 USD
View
B+
Retailer 10
-
$58,180 NZD
$32,735 USD
View
B+
Retailer 11
-
$58,775 NZD
€31,495 EUR
View
B+
Retailer 12
-
$60,418 NZD
$33,994 USD
View
B+
Retailer 13
-
$63,073 NZD
ZAR 573,313 ZAR
View
Most Expensive
B
MOH London
FD8BC17A8 · Nov 1
$75,988 NZD
£33,665 GBP
View
13 more retailers have this diamond
Prices start from $43,784 NZDSave up to $32,204 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
3.50ct Round
$43,784 NZD