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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6555414004

Certificate GIA 6555414004

Diamond specifications and retailer prices

From $2,208 CAD
As of November 5, 2026
Save $4,313 CAD (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,521 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555414004. Listed at 16 retailers as of November 5, 2026, with prices from $2,208 to $6,521, a $4,313 spread on the same certified stone. NZ Jewellers lists it at $6,521. 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555414004
Dimensions6.32 × 6.37 × 3.96 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
6.32 mm6.37 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555414004
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: $6,521 CAD|Low: $2,092 CAD|High: $6,521 CAD|Avg: $2,916 CAD|+25.9%
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
November 6, 2026
Retailer 16$2,208 CAD
Retailer 3$2,337 CAD
Retailer 15$2,369 CAD
Retailer 4$2,422 CAD
Retailer 8$2,422 CAD
Retailer 17$2,519 CAD
Retailer 7$2,533 CAD
Retailer 9$2,553 CAD
Retailer 2$2,593 CAD
Retailer 5$2,612 CAD
Retailer 14$2,795 CAD
Retailer 6$2,797 CAD
Retailer 10$2,885 CAD
Retailer 13$3,434 CAD
Retailer 12$3,871 CAD
Retailer 11$4,672 CAD
NZ Jewellers$6,521 CAD

18 data points across 17 retailers

16 retailers$2,208 CAD to $6,521 CAD

A
Cheapest Retailer
-
$2,208 CAD
A
Retailer 2
-
$2,337 CAD
View
A
Retailer 3
-
$2,369 CAD
View
B+
Retailer 4
-
$2,422 CAD
View
B+
Retailer 5
-
$2,519 CAD
View
B+
Retailer 6
-
$2,533 CAD
View
Retailer 7
-
$2,553 CAD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$2,593 CAD
View
B+
Retailer 9
-
$2,612 CAD
View
B+
Retailer 10
-
$2,795 CAD
View
B+
Retailer 11
-
$2,797 CAD
View
B
Retailer 12
-
$2,885 CAD
View
B
Retailer 13
-
$3,434 CAD
View
B
Retailer 14
-
$3,871 CAD
View
B
Retailer 15
-
$4,672 CAD
View
Most Expensive
C
NZ Jewellers
7b1f8c66-e901-4452-839e-81f03380d61d · Nov 5
$6,521 CAD
$4,669 USD
View
15 more retailers have this diamond
Prices start from $2,208 CADSave up to $4,313 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
$2,208 CAD