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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555267943

Certificate GIA 3555267943

Diamond specifications and retailer prices

From $406 CAD
As of November 6, 2026
Save $877 CAD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,278 CAD at NZ Jewellers · As of September 21, 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 3555267943. Listed at 19 retailers as of November 4, 2026, with a 216% 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

0.45
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555267943
Dimensions4.91 × 4.88 × 3.06 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather
Top View
4.91 mm4.88 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555267943
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.5%

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 6
Current: $406 CAD|Low: $406 CAD|High: $1,328 CAD|Avg: $776 CAD|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 1$406 CAD
Retailer 6$482 CAD
Retailer 13$527 CAD
Retailer 4$601 CAD
Retailer 5$627 CAD
Retailer 9$716 CAD
Retailer 11$726 CAD
Retailer 8$739 CAD
Retailer 2$797 CAD
Retailer 12$852 CAD
Retailer 14$867 CAD
Retailer 10$925 CAD
Retailer 7$1,120 CAD
Retailer 3$1,283 CAD

17 data points across 14 retailers

19 retailers$406 CAD to $1,283 CAD

A
Cheapest Retailer
-
$406 CAD
A
Retailer 2
-
$482 CAD
View
A
Retailer 3
-
$527 CAD
View
Retailer 4
-
$595 CAD
View
Price last confirmed 50 days ago
A
Retailer 5
-
$601 CAD
View
Retailer 6
-
$615 CAD
View
Price last confirmed 43 days ago
A
Retailer 7
-
$627 CAD
View
Retailer 8
-
$686 CAD
View
Price last confirmed 45 days ago
A
Retailer 9
-
$716 CAD
View
A
Retailer 10
-
$726 CAD
View
A
Retailer 11
-
$739 CAD
View
B+
Retailer 12
-
$797 CAD
View
B+
Retailer 13
-
$852 CAD
View
B+
Retailer 14
-
$867 CAD
View
B+
Retailer 15
-
$925 CAD
View
Retailer 16
-
$952 CAD
View
Price last confirmed 35 days ago
B+
Retailer 17
-
$1,120 CAD
View
B
Retailer 18
-
$1,283 CAD
View
Most Expensive
NZ Jewellers
6525f37d-a6ae-4f37-aa50-faa9e5c1aac3 · Sep 21
$2,278 CAD
$1,631 USD
View
Price last confirmed 46 days ago
18 more retailers have this diamond
Prices start from $406 CADSave up to $877 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
$406 CAD