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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1559987010

Certificate GIA 1559987010

Diamond specifications and retailer prices

From $2,445 CAD
As of November 6, 2026
Save $5,126 CAD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,571 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559987010. Listed at 14 retailers as of November 5, 2026, with prices from $2,445 to $7,571, a $5,126 spread on the same certified stone. NZ Jewellers lists it at $7,571. 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559987010
Dimensions6.41 × 6.39 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
6.41 mm6.39 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559987010
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 6
Current: $7,571 CAD|Low: $2,445 CAD|High: $7,571 CAD|Avg: $4,040 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
November 6, 2026
Retailer 2$2,445 CAD
Retailer 6$2,968 CAD
Retailer 5$3,243 CAD
Retailer 7$3,478 CAD
Retailer 8$3,546 CAD
Retailer 4$3,621 CAD
Retailer 12$3,621 CAD
Retailer 11$3,687 CAD
Retailer 10$3,788 CAD
Retailer 13$3,789 CAD
Retailer 9$3,822 CAD
Retailer 3$6,353 CAD
NZ Jewellers$7,571 CAD

27 data points across 13 retailers

14 retailers$2,445 CAD to $7,571 CAD

A
Cheapest Retailer
-
$2,445 CAD
A
Retailer 2
-
$2,968 CAD
View
A
Retailer 3
-
$3,243 CAD
View
A
Retailer 4
-
$3,478 CAD
View
A
Retailer 5
-
$3,500 CAD
View
A
Retailer 6
-
$3,546 CAD
View
A
Retailer 7
-
$3,621 CAD
View
Retailer 8
-
$3,621 CAD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$3,687 CAD
View
A
Retailer 10
-
$3,788 CAD
View
B+
Retailer 11
-
$3,789 CAD
View
A
Retailer 12
-
$3,822 CAD
View
Retailer 13
-
$6,353 CAD
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
6264d278-0ac1-4cc1-ba5e-a9c4b8e8aaaa · Nov 5
$7,571 CAD
$5,421 USD
View
13 more retailers have this diamond
Prices start from $2,445 CADSave up to $5,126 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
$2,445 CAD