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Round|Natural|IGI

3.50ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 533209970

Shape and cutting style on the report: Round brilliant

Certificate IGI 533209970

Diamond specifications and retailer prices

From $36,444 NZD
As of November 5, 2026
Save $19,496 NZD (35%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $55,940 NZD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 533209970. Listed at 22 retailers as of November 4, 2026, with prices from $36,444 to $55,940, a $19,496 spread on the same certified stone. MOH London lists it at $55,940. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 533209970
Dimensions9.61 × 9.66 × 5.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.61 mm9.66 mm3.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 533209970
Side View
Table 61.5%Crown 34.6°Girdle: MED-STKPavilion 41.5°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 5
Current: $55,940 NZD|Low: $35,992 NZD|High: $56,765 NZD|Avg: $41,311 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$35,992 NZD
Retailer 8$36,444 NZD
Retailer 6$36,912 NZD
Retailer 9$38,405 NZD
Retailer 5$39,589 NZD
Retailer 7$39,643 NZD
Retailer 3$39,652 NZD
Retailer 4$43,291 NZD
Retailer 2$46,234 NZD
MOH London$55,940 NZD

18 data points across 10 retailers

22 retailers$36,444 NZD to $55,940 NZD

A
Cheapest Retailer
-
$36,444 NZD
A
Retailer 2
-
$36,912 NZD
View
B+
Retailer 3
-
$39,589 NZD
View
Retailer 4
-
$39,643 NZD
View
Price last confirmed 21 days ago
Retailer 5
-
$39,643 NZD
View
Price last confirmed 8 days ago
Retailer 6
-
$39,643 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$39,652 NZD
View
B+
Retailer 8
-
$41,624 NZD
View
Retailer 9
-
$41,624 NZD
View
Price last confirmed 22 days ago
Retailer 10
-
$41,624 NZD
View
Price last confirmed 12 days ago
Retailer 11
-
$41,624 NZD
View
Price last confirmed 8 days ago
Retailer 12
-
$42,946 NZD
View
Price last confirmed 27 days ago
Retailer 13
-
$42,946 NZD
View
Price last confirmed 8 days ago
Retailer 14
-
$42,946 NZD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$43,291 NZD
View
Retailer 16
-
$44,597 NZD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
$44,597 NZD
View
Retailer 18
-
$44,597 NZD
View
Price last confirmed 16 days ago
B+
Retailer 19
-
$46,234 NZD
View
Retailer 20
-
$50,878 NZD
View
Price last confirmed 23 days ago
Retailer 21
-
$50,878 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
18017C5BC · Nov 4
$55,940 NZD
£24,761 GBP
View
21 more retailers have this diamond
Prices start from $36,444 NZDSave up to $19,496 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
$36,444 NZD