Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1539173361

Certificate GIA 1539173361

Diamond specifications and retailer prices

From $658 CAD
As of November 4, 2026
Save $1,796 CAD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,454 CAD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1539173361. Listed at 17 retailers as of November 4, 2026, with prices from $658 to $2,454, a $1,796 spread on the same certified stone. NZ Jewellers lists it at $2,454. 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

0.45
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1539173361
Dimensions4.91 × 4.93 × 3.05 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.91 mm4.93 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539173361
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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 4
Current: $856 CAD|Low: $810 CAD|High: $1,828 CAD|Avg: $1,148 CAD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$856 CAD
Retailer 7$873 CAD
Retailer 5$992 CAD
Retailer 2$1,155 CAD
Retailer 6$1,176 CAD
Retailer 4$1,212 CAD
Retailer 3$1,804 CAD

44 data points across 7 retailers

17 retailers$658 CAD to $2,454 CAD

A
Cheapest Retailer
-
$658 CAD
A
Retailer 2
-
$709 CAD
View
A
Retailer 3
-
$737 CAD
View
Retailer 4
-
$764 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$764 CAD
View
B+
Retailer 6
-
$818 CAD
View
B+
Retailer 7
-
$856 CAD
View
B+
Retailer 8
-
$869 CAD
View
B+
Retailer 9
-
$880 CAD
View
B+
Retailer 10
-
$880 CAD
View
B+
Retailer 11
-
$908 CAD
View
B
Retailer 12
-
$992 CAD
View
B+
Retailer 13
-
$1,155 CAD
View
Retailer 14
-
$1,176 CAD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$1,212 CAD
View
B
Retailer 16
-
$1,804 CAD
View
Most Expensive
B
NZ Jewellers
160f74b9-cc40-462d-ab1a-a4f7c15d4546 · Nov 4
$2,454 CAD
$1,757 USD
View
16 more retailers have this diamond
Prices start from $658 CADSave up to $1,796 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
0.45ct Round
$658 CAD