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Round|Natural|GIA

1.45ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6545380193

Certificate GIA 6545380193

Diamond specifications and retailer prices

From $4,856 CAD
As of November 5, 2026
Save $6,817 CAD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,673 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.45ct natural round diamond

This 1.45ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545380193. Listed at 16 retailers as of November 5, 2026, with prices from $4,856 to $11,673, a $6,817 spread on the same certified stone. NZ Jewellers lists it at $11,673. 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

1.45
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545380193
Dimensions7.22 × 7.25 × 4.50 mm
L/W Ratio1.00
Top View
7.22 mm7.25 mm1.45 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545380193
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: $11,673 CAD|Low: $4,856 CAD|High: $11,673 CAD|Avg: $7,074 CAD
NZ Jewellers
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 11$4,856 CAD
Retailer 9$5,165 CAD
Retailer 8$5,694 CAD
Retailer 5$5,843 CAD
Retailer 6$6,134 CAD
Retailer 12$6,554 CAD
Retailer 14$6,690 CAD
Retailer 3$6,699 CAD
Retailer 4$6,699 CAD
Retailer 2$6,701 CAD
Retailer 7$6,895 CAD
Retailer 10$7,490 CAD
Retailer 13$10,642 CAD
NZ Jewellers$11,673 CAD

28 data points across 14 retailers

16 retailers$4,856 CAD to $11,673 CAD

A
Cheapest Retailer
-
$4,856 CAD
A
Retailer 2
-
$5,165 CAD
View
Final sale: no returns
A
Retailer 3
-
$5,694 CAD
View
A
Retailer 4
-
$5,843 CAD
View
A
Retailer 5
-
$6,134 CAD
View
A
Retailer 6
-
$6,554 CAD
View
A
Retailer 7
-
$6,690 CAD
View
A
Retailer 8
-
$6,699 CAD
View
A
Retailer 9
-
$6,699 CAD
View
Retailer 10
-
$6,699 CAD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$6,701 CAD
View
A
Retailer 12
-
$6,895 CAD
View
A
Retailer 13
-
$7,051 CAD
View
A
Retailer 14
-
$7,490 CAD
View
B+
Retailer 15
-
$10,642 CAD
View
Most Expensive
B
NZ Jewellers
71afce18-8478-44f3-95ed-a6e1ce9ff6ec · Nov 5
$11,673 CAD
$8,358 USD
View
15 more retailers have this diamond
Prices start from $4,856 CADSave up to $6,817 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
1.45ct Round
$4,856 CAD