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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6243075892

Certificate GIA 6243075892

Diamond specifications and retailer prices

From $380 CAD
As of November 4, 2026
Save $1,487 CAD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,867 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6243075892. Listed at 19 retailers as of November 4, 2026, with prices from $380 to $1,867, a $1,487 spread on the same certified stone. NZ Jewellers lists it at $1,867. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.45
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6243075892
Dimensions4.81 × 4.74 × 3.10 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.81 mm4.74 mm0.45 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6243075892
Side View
Table 56.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.9%

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 4
Current: $1,867 CAD|Low: $380 CAD|High: $1,867 CAD|Avg: $732 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 8$380 CAD
Retailer 9$440 CAD
Retailer 7$487 CAD
Retailer 15$487 CAD
Retailer 12$513 CAD
Retailer 3$525 CAD
Retailer 2$543 CAD
Retailer 13$621 CAD
Retailer 14$647 CAD
Retailer 6$656 CAD
Retailer 4$669 CAD
Retailer 16$758 CAD
Retailer 10$779 CAD
Retailer 5$796 CAD
Retailer 17$813 CAD
Retailer 11$980 CAD
Retailer 18$1,131 CAD
NZ Jewellers$1,867 CAD

39 data points across 18 retailers

19 retailers$380 CAD to $1,867 CAD

A
Cheapest Retailer
-
$380 CAD
A
Retailer 2
-
$440 CAD
View
B+
Retailer 3
-
$487 CAD
View
B+
Retailer 4
-
$487 CAD
View
B+
Retailer 5
-
$513 CAD
View
Retailer 6
-
$525 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$543 CAD
View
B+
Retailer 8
-
$621 CAD
View
B+
Retailer 9
-
$647 CAD
View
B+
Retailer 10
-
$656 CAD
View
B+
Retailer 11
-
$669 CAD
View
B+
Retailer 12
-
$702 CAD
View
B+
Retailer 13
-
$758 CAD
View
Retailer 14
-
$779 CAD
View
Price last confirmed 34 days ago
B
Retailer 15
-
$796 CAD
View
B
Retailer 16
-
$813 CAD
View
B
Retailer 17
-
$980 CAD
View
Retailer 18
-
$1,131 CAD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
0556c36a-32ac-4dcc-a3de-a59812f093b0 · Nov 4
$1,867 CAD
$1,337 USD
View
18 more retailers have this diamond
Prices start from $380 CADSave up to $1,487 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
$380 CAD