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Round|Natural|IGI

1.38ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 803673758

Shape and cutting style on the report: Round brilliant

Certificate IGI 803673758

Diamond specifications and retailer prices

From $1,427 CAD
As of November 6, 2026
Save $1,951 CAD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,511 CAD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.38ct natural round diamond

This 1.38ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803673758. Listed at 15 retailers as of November 4, 2026, with a 137% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.38
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 803673758
Dimensions7.01 × 7.05 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.01 mm7.05 mm1.38 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803673758
Side View
Table 58.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.8°CuletDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,427 CAD|Low: $1,427 CAD|High: $3,427 CAD|Avg: $2,252 CAD|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$1,427 CAD
Retailer 2$1,769 CAD
Retailer 3$2,114 CAD
Retailer 5$2,257 CAD
Retailer 4$2,561 CAD
Retailer 6$3,378 CAD

28 data points across 6 retailers

15 retailers$1,427 CAD to $3,378 CAD

A
Cheapest Retailer
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$1,427 CAD
A
Retailer 2
-
$1,714 CAD
View
Retailer 3
-
$1,729 CAD
View
Price last confirmed 95 days ago
A
Retailer 4
-
$1,769 CAD
View
Retailer 5
-
$1,849 CAD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$1,849 CAD
View
A
Retailer 7
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$1,934 CAD
View
A
Retailer 8
-
$2,004 CAD
View
A
Retailer 9
-
$2,038 CAD
View
A
Retailer 10
-
$2,114 CAD
View
Retailer 11
-
$2,134 CAD
View
Price last confirmed 38 days ago
A
Retailer 12
-
$2,257 CAD
View
A
Retailer 13
-
$2,561 CAD
View
B+
Retailer 14
-
$3,378 CAD
View
Most Expensive
NZ Jewellers
dc844f1f-de57-4bcf-be38-166344c237f0 · Sep 28
$4,511 CAD
$3,230 USD
View
Price last confirmed 39 days ago
14 more retailers have this diamond
Prices start from $1,427 CADSave up to $1,951 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
1.38ct Round
$1,427 CAD