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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7428069875

Certificate GIA 7428069875

Diamond specifications and retailer prices

From $2,401 CAD
As of November 4, 2026
Save $3,862 CAD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,262 CAD at NZ Jewellers · As of November 5, 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 7428069875. Listed at 18 retailers as of November 4, 2026, with prices from $2,401 to $6,262, a $3,862 spread on the same certified stone. NZ Jewellers lists it at $6,262. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7428069875
Dimensions6.41 × 6.44 × 3.94 mm
L/W Ratio1.00
Top View
6.41 mm6.44 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7428069875
Side View
Table 62.0%Crown 34°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.3%

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: $3,493 CAD|Low: $2,151 CAD|High: $5,311 CAD|Avg: $3,234 CAD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8$2,401 CAD
Retailer 9$2,451 CAD
Retailer 6$2,504 CAD
Retailer 7$2,839 CAD
Retailer 4$3,128 CAD
Retailer 3$3,235 CAD
Retailer 1$3,493 CAD
Retailer 2$3,799 CAD
Retailer 5$5,247 CAD

42 data points across 9 retailers

18 retailers$2,401 CAD to $6,262 CAD

A
Cheapest Retailer
-
$2,401 CAD
B+
Retailer 2
-
$2,444 CAD
View
B+
Retailer 3
-
$2,451 CAD
View
B+
Retailer 4
-
$2,504 CAD
View
Final sale: no returns
B+
Retailer 5
-
$2,552 CAD
View
B+
Retailer 6
-
$2,617 CAD
View
B+
Retailer 7
-
$2,714 CAD
View
Retailer 8
-
$2,714 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,839 CAD
View
B
Retailer 10
-
$3,128 CAD
View
B
Retailer 11
-
$3,131 CAD
View
B+
Retailer 12
-
$3,235 CAD
View
B
Retailer 13
-
$3,448 CAD
View
B+
Retailer 14
-
$3,493 CAD
View
B
Retailer 15
-
$3,799 CAD
View
B
Retailer 16
-
$4,302 CAD
View
B
Retailer 17
-
$5,247 CAD
View
Most Expensive
B
NZ Jewellers
c5deb422-8764-4927-9c8c-61607f5a480d · Nov 5
$6,262 CAD
$4,484 USD
View
17 more retailers have this diamond
Prices start from $2,401 CADSave up to $3,862 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
1.00ct Round
$2,401 CAD