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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 $28,612 CAD
As of November 5, 2026
Save $15,306 CAD (35%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $43,918 CAD 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 $28,612 to $43,918, a $15,306 spread on the same certified stone. MOH London lists it at $43,918. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $43,918 CAD|Low: $28,257 CAD|High: $44,566 CAD|Avg: $32,433 CAD|-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$28,257 CAD
Retailer 8$28,612 CAD
Retailer 6$28,979 CAD
Retailer 9$30,151 CAD
Retailer 5$31,081 CAD
Retailer 7$31,123 CAD
Retailer 3$31,130 CAD
Retailer 4$33,988 CAD
Retailer 2$36,298 CAD
MOH London$43,918 CAD

18 data points across 10 retailers

22 retailers$28,612 CAD to $43,918 CAD

A
Cheapest Retailer
-
$28,612 CAD
A
Retailer 2
-
$28,979 CAD
View
B+
Retailer 3
-
$31,081 CAD
View
Retailer 4
-
$31,123 CAD
View
Price last confirmed 21 days ago
Retailer 5
-
$31,123 CAD
View
Price last confirmed 8 days ago
Retailer 6
-
$31,123 CAD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$31,130 CAD
View
B+
Retailer 8
-
$32,679 CAD
View
Retailer 9
-
$32,679 CAD
View
Price last confirmed 22 days ago
Retailer 10
-
$32,679 CAD
View
Price last confirmed 12 days ago
Retailer 11
-
$32,679 CAD
View
Price last confirmed 8 days ago
Retailer 12
-
$33,717 CAD
View
Price last confirmed 27 days ago
Retailer 13
-
$33,717 CAD
View
Price last confirmed 8 days ago
Retailer 14
-
$33,717 CAD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$33,988 CAD
View
Retailer 16
-
$35,013 CAD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
$35,013 CAD
View
Retailer 18
-
$35,013 CAD
View
Price last confirmed 16 days ago
B+
Retailer 19
-
$36,298 CAD
View
Retailer 20
-
$39,944 CAD
View
Price last confirmed 23 days ago
Retailer 21
-
$39,944 CAD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
18017C5BC · Nov 4
$43,918 CAD
£24,761 GBP
View
21 more retailers have this diamond
Prices start from $28,612 CADSave up to $15,306 CAD

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
$28,612 CAD