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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1559567941

Certificate GIA 1559567941

Diamond specifications and retailer prices

From $2,704 CAD
As of November 6, 2026
22 retailers carry this diamond
Most expensive: $5,546 CAD at NZ Jewellers · As of October 11, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559567941. Listed at 22 retailers as of November 6, 2026. 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

1.00
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559567941
Dimensions6.34 × 6.38 × 3.94 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.34 mm6.38 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559567941
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NDepth 61.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,546 CAD|Low: $2,219 CAD|High: $5,546 CAD|Avg: $2,888 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
October 26, 2026
Retailer 15$2,219 CAD
Retailer 13$2,221 CAD
Retailer 10$2,250 CAD
Retailer 6$2,274 CAD
Retailer 8$2,274 CAD
Retailer 16$2,332 CAD
Retailer 7$2,378 CAD
Retailer 12$2,387 CAD
Retailer 5$2,416 CAD
Retailer 9$2,623 CAD
Retailer 17$2,673 CAD
Retailer 2$2,785 CAD
Retailer 14$2,881 CAD
Retailer 4$2,943 CAD
Retailer 11$3,119 CAD
Retailer 18$3,623 CAD
Retailer 3$3,979 CAD
NZ Jewellers$5,546 CAD

32 data points across 18 retailers

22 retailers

Retailer 1
-
$2,219 CAD
Price last confirmed 13 days ago
Retailer 2
-
$2,221 CAD
View
Price last confirmed 13 days ago
Retailer 3
-
$2,250 CAD
View
Price last confirmed 11 days ago
Retailer 4
-
$2,274 CAD
View
Price last confirmed 27 days ago
Retailer 5
-
$2,274 CAD
View
Price last confirmed 25 days ago
Retailer 6
-
$2,274 CAD
View
Price last confirmed 12 days ago
Retailer 7
-
$2,274 CAD
View
Price last confirmed 15 days ago
Retailer 8
-
$2,274 CAD
View
Price last confirmed 25 days ago
Retailer 9
-
$2,332 CAD
View
Price last confirmed 10 days ago
Retailer 10
-
$2,378 CAD
View
Price last confirmed 15 days ago
Retailer 11
-
$2,387 CAD
View
Price last confirmed 11 days ago
Retailer 12
-
$2,416 CAD
View
Price last confirmed 10 days ago
Retailer 13
-
$2,623 CAD
View
Price last confirmed 26 days ago
Retailer 14
-
$2,623 CAD
View
Price last confirmed 14 days ago
Retailer 15
-
$2,673 CAD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$2,704 CAD
View
Retailer 17
-
$2,881 CAD
View
Price last confirmed 9 days ago
Retailer 18
-
$3,119 CAD
View
Price last confirmed 11 days ago
Retailer 19
-
$3,623 CAD
View
Price last confirmed 11 days ago
Retailer 20
-
$3,979 CAD
View
Price last confirmed 12 days ago
Retailer 21
-
$5,546 CAD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
ac85094a-1a38-4c69-a7f7-313bfe985f19 · Oct 11
$5,546 CAD
$3,971 USD
View
Price last confirmed 26 days ago
21 more retailers have this diamond
Prices start from $2,704 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.

B+
1.00ct Round
$2,704 CAD