Round|Natural|IGI

3.50ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 635461965

Shape and cutting style on the report: Round brilliant

Certificate IGI 635461965

Diamond specifications and retailer prices

From $36,574 NZD
$20,613 USD
As of October 31, 2026
Save $29,540 NZD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $66,114 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 635461965. Listed at 16 retailers as of October 31, 2026, with prices from $36,574 to $66,114, a $29,540 spread on the same certified stone. MOH London lists it at $66,114. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 635461965
Dimensions9.60 × 9.51 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.60 mm9.51 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 635461965
Side View
Table 57.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

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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: Oct 31
Current: $66,114 NZD|Low: $35,454 NZD|High: $66,909 NZD|Avg: $44,098 NZD|+2.1%
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 7$36,574 NZD
Retailer 5$36,932 NZD
Retailer 8$38,916 NZD
Retailer 10$39,173 NZD
Retailer 9$39,240 NZD
Retailer 6$40,568 NZD
Retailer 3$41,414 NZD
Retailer 11$44,865 NZD
Retailer 12$46,590 NZD
Retailer 2$49,377 NZD
Retailer 4$52,093 NZD
MOH London$66,114 NZD

31 data points across 12 retailers

16 retailers$36,574 NZD to $66,114 NZD

A
Cheapest Retailer
-
$36,574 NZD
$20,613 USD
A
Retailer 2
-
$36,932 NZD
$20,815 USD
View
A
Retailer 3
-
$38,916 NZD
$21,933 USD
View
A
Retailer 4
-
$39,173 NZD
$22,078 USD
View
A
Retailer 5
-
$39,240 NZD
$22,116 USD
View
A
Retailer 6
-
$40,568 NZD
$22,864 USD
View
Final sale: no returns
Retailer 7
-
$42,333 NZD
$23,859 USD
View
Price last confirmed 20 days ago
Retailer 8
-
$44,448 NZD
$25,051 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$44,865 NZD
$25,286 USD
View
Price last confirmed 42 days ago
Retailer 10
-
$45,860 NZD
$25,847 USD
View
Price last confirmed 24 days ago
Retailer 11
-
$46,590 NZD
$26,258 USD
View
Price last confirmed 42 days ago
Retailer 12
-
$47,624 NZD
$26,841 USD
View
Price last confirmed 23 days ago
A
Retailer 13
-
$49,377 NZD
€26,504 EUR
View
Retailer 14
-
$58,669 NZD
$33,066 USD
View
Price last confirmed 42 days ago
Retailer 15
-
$59,971 NZD
$33,800 USD
View
Price last confirmed 29 days ago
Most Expensive
B+
MOH London
126A1AAD9 · Nov 1
$66,114 NZD
£29,340 GBP
View
15 more retailers have this diamond
Prices start from $36,574 NZDSave up to $29,540 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
$36,574 NZD