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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1563443794

Certificate GIA 1563443794

Diamond specifications and retailer prices

From $1,700 CAD
As of November 5, 2026
Save $4,060 CAD (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,349 CAD at MOH London · As of November 2, 2026
View at MOH London

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 1563443794. Listed at 13 retailers as of November 2, 2026, with a 239% 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

1.00
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563443794
Dimensions6.35 × 6.40 × 3.91 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.35 mm6.40 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563443794
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: 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 5
Current: $8,349 CAD|Low: $1,700 CAD|High: $8,349 CAD|Avg: $3,242 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 2$1,700 CAD
Retailer 4$2,004 CAD
Retailer 5$2,507 CAD
Retailer 7$2,855 CAD
Retailer 6$2,871 CAD
Retailer 3$4,262 CAD
Retailer 13$4,607 CAD
Retailer 11$4,619 CAD
Retailer 10$4,803 CAD
Retailer 12$4,991 CAD
Retailer 8$5,184 CAD
Retailer 9$5,760 CAD
MOH London$8,349 CAD

21 data points across 13 retailers

13 retailers$1,700 CAD to $5,760 CAD

A
Cheapest Retailer
-
$1,700 CAD
A
Retailer 2
-
$2,004 CAD
View
B+
Retailer 3
-
$2,507 CAD
View
B+
Retailer 4
-
$2,855 CAD
View
B+
Retailer 5
-
$2,871 CAD
View
B
Retailer 6
-
$4,262 CAD
View
B
Retailer 7
-
$4,607 CAD
View
Final sale: no returns
B
Retailer 8
-
$4,619 CAD
View
B
Retailer 9
-
$4,803 CAD
View
B
Retailer 10
-
$4,991 CAD
View
B
Retailer 11
-
$5,184 CAD
View
B
Retailer 12
-
$5,760 CAD
View
Most Expensive
MOH London
22960E667 · Nov 2
$8,349 CAD
£4,707 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $1,700 CADSave up to $4,060 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
$1,700 CAD