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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555401272

Certificate GIA 6555401272

Diamond specifications and retailer prices

From $2,448 CAD
As of November 6, 2026
Save $4,186 CAD (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,634 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555401272. Listed at 21 retailers as of November 5, 2026, with prices from $2,448 to $6,634, a $4,186 spread on the same certified stone. NZ Jewellers lists it at $6,634. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555401272
Dimensions6.35 × 6.39 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.35 mm6.39 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555401272
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

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: $2,952 CAD|Low: $2,448 CAD|High: $5,588 CAD|Avg: $3,334 CAD|-1.8%
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 3$2,448 CAD
Retailer 8$2,458 CAD
Retailer 6$2,648 CAD
Retailer 9$2,795 CAD
Retailer 1$2,952 CAD
Retailer 2$3,053 CAD
Retailer 4$3,402 CAD
Retailer 5$3,427 CAD
Retailer 7$3,644 CAD
Retailer 10$3,814 CAD
Retailer 11$5,545 CAD

25 data points across 11 retailers

21 retailers$2,448 CAD to $6,634 CAD

A
Cheapest Retailer
-
$2,448 CAD
A
Retailer 2
-
$2,458 CAD
View
A
Retailer 3
-
$2,648 CAD
View
A
Retailer 4
-
$2,795 CAD
View
A
Retailer 5
-
$2,866 CAD
View
A
Retailer 6
-
$2,927 CAD
View
Final sale: no returns
A
Retailer 7
-
$2,952 CAD
View
A
Retailer 8
-
$3,053 CAD
View
Retailer 9
-
$3,173 CAD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$3,173 CAD
View
B+
Retailer 11
-
$3,320 CAD
View
B+
Retailer 12
-
$3,367 CAD
View
B+
Retailer 13
-
$3,402 CAD
View
B+
Retailer 14
-
$3,427 CAD
View
B+
Retailer 15
-
$3,461 CAD
View
B+
Retailer 16
-
$3,644 CAD
View
B+
Retailer 17
-
$3,660 CAD
View
B+
Retailer 18
-
$3,814 CAD
View
B
Retailer 19
-
$4,732 CAD
View
B
Retailer 20
-
$5,545 CAD
View
Most Expensive
B
NZ Jewellers
856f0a8c-3b65-4e36-9112-446ac20fed2e · Nov 5
$6,634 CAD
$4,750 USD
View
20 more retailers have this diamond
Prices start from $2,448 CADSave up to $4,186 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
$2,448 CAD