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1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 642405010

Shape and cutting style on the report: Round brilliant

Certificate IGI 642405010

Diamond specifications and retailer prices

From $6,797 CAD
$4,866 USD
As of October 30, 2026
Save $6,239 CAD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,036 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 642405010. Listed at 15 retailers as of October 30, 2026, with prices from $6,797 to $13,036, a $6,239 spread on the same certified stone. NZ Jewellers lists it at $13,036. 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

1.54
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 642405010
Dimensions7.36 × 7.29 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.29 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 642405010
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.3%

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: $7,704 CAD|Low: $5,995 CAD|High: $12,262 CAD|Avg: $8,236 CAD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8$6,797 CAD
Retailer 7$6,852 CAD
Retailer 9$7,194 CAD
Retailer 2$7,292 CAD
Retailer 1$7,704 CAD
Retailer 10$7,795 CAD
Retailer 4$7,848 CAD
Retailer 3$8,333 CAD
Retailer 6$9,491 CAD
Retailer 5$12,181 CAD

42 data points across 10 retailers

15 retailers$6,797 CAD to $13,036 CAD

A
Cheapest Retailer
-
$6,797 CAD
$4,866 USD
Retailer 2
-
$6,852 CAD
$4,905 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$7,194 CAD
$5,150 USD
View
Final sale: no returns
A
Retailer 4
-
$7,292 CAD
$5,220 USD
View
A
Retailer 5
-
$7,704 CAD
£4,342 GBP
View
B+
Retailer 6
-
$7,795 CAD
$5,580 USD
View
B+
Retailer 7
-
$7,795 CAD
$5,580 USD
View
B+
Retailer 8
-
$7,795 CAD
$5,580 USD
View
A
Retailer 9
-
$7,848 CAD
£4,423 GBP
View
B+
Retailer 10
-
$8,010 CAD
$5,734 USD
View
B+
Retailer 11
-
$8,333 CAD
€5,681 EUR
View
B+
Retailer 12
-
$8,993 CAD
$6,438 USD
View
B+
Retailer 13
-
$9,491 CAD
ZAR 109,764 ZAR
View
B
Retailer 14
-
$12,181 CAD
£6,866 GBP
View
Most Expensive
B
NZ Jewellers
4fa767b2-f529-4498-92f7-20d2810a8a0d · Oct 30
$13,036 CAD
$9,332 USD
View
14 more retailers have this diamond
Prices start from $6,797 CADSave up to $6,239 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
1.54ct Round
$6,797 CAD