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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 1559494856

Certificate GIA 1559494856

Diamond specifications and retailer prices

From $1,859 CAD
As of November 4, 2026
Save $4,042 CAD (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,901 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 very-good cut grade and certified by GIA 1559494856. Listed at 20 retailers as of November 4, 2026, with prices from $1,859 to $5,901, a $4,042 spread on the same certified stone. NZ Jewellers lists it at $5,901. 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

1.00
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1559494856
Dimensions6.18 × 6.24 × 3.98 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Needle, Indented Natural, Natural
Top View
6.18 mm6.24 mm1.00 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559494856
Side View
Table 59.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.1%

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: $2,595 CAD|Low: $1,859 CAD|High: $4,290 CAD|Avg: $2,686 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$1,859 CAD
Retailer 6$1,877 CAD
Retailer 2$2,232 CAD
Retailer 7$2,265 CAD
Retailer 11$2,411 CAD
Retailer 1$2,595 CAD
Retailer 4$2,669 CAD
Retailer 3$2,694 CAD
Retailer 5$2,810 CAD
Retailer 8$3,177 CAD
Retailer 9$4,226 CAD

32 data points across 11 retailers

20 retailers$1,859 CAD to $5,901 CAD

A
Cheapest Retailer
-
$1,859 CAD
A
Retailer 2
-
$1,877 CAD
View
B+
Retailer 3
-
$2,204 CAD
View
B+
Retailer 4
-
$2,232 CAD
View
Final sale: no returns
B+
Retailer 5
-
$2,265 CAD
View
B+
Retailer 6
-
$2,411 CAD
View
B+
Retailer 7
-
$2,419 CAD
View
Retailer 8
-
$2,419 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,531 CAD
View
B+
Retailer 10
-
$2,595 CAD
View
B+
Retailer 11
-
$2,610 CAD
View
B+
Retailer 12
-
$2,635 CAD
View
B+
Retailer 13
-
$2,669 CAD
View
B+
Retailer 14
-
$2,694 CAD
View
B+
Retailer 15
-
$2,792 CAD
View
B+
Retailer 16
-
$2,810 CAD
View
B
Retailer 17
-
$3,177 CAD
View
B
Retailer 18
-
$3,603 CAD
View
B
Retailer 19
-
$4,226 CAD
View
Most Expensive
C
NZ Jewellers
487f54e0-6499-4d20-a69f-4a5bfdf0dac6 · Nov 5
$5,901 CAD
$4,225 USD
View
19 more retailers have this diamond
Prices start from $1,859 CADSave up to $4,042 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
$1,859 CAD