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Round|Natural|GIA

1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566100127

Certificate GIA 2566100127

Diamond specifications and retailer prices

From $2,609 CAD
As of November 6, 2026
Save $4,712 CAD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,665 CAD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566100127. Listed at 21 retailers as of November 5, 2026, with a 181% 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

1.01
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566100127
Dimensions6.35 × 6.40 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
6.35 mm6.40 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566100127
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: $7,321 CAD|Low: $2,609 CAD|High: $7,510 CAD|Avg: $4,122 CAD|-2.5%
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
November 6, 2026
Retailer 2$2,609 CAD
Retailer 6$2,771 CAD
Retailer 14$3,092 CAD
Retailer 4$3,179 CAD
Retailer 8$3,471 CAD
Retailer 3$3,501 CAD
Retailer 9$3,683 CAD
Retailer 7$3,697 CAD
Retailer 12$3,729 CAD
Retailer 11$4,040 CAD
Retailer 10$4,079 CAD
Retailer 13$4,274 CAD
Retailer 5$6,149 CAD
NZ Jewellers$7,321 CAD

23 data points across 14 retailers

21 retailers$2,609 CAD to $7,321 CAD

A
Cheapest Retailer
-
$2,609 CAD
A
Retailer 2
-
$2,771 CAD
View
Final sale: no returns
A
Retailer 3
-
$3,092 CAD
View
A
Retailer 4
-
$3,179 CAD
View
A
Retailer 5
-
$3,471 CAD
View
A
Retailer 6
-
$3,501 CAD
View
Retailer 7
-
$3,666 CAD
View
Price last confirmed 50 days ago
Retailer 8
-
$3,666 CAD
View
Price last confirmed 39 days ago
B+
Retailer 9
-
$3,683 CAD
View
B+
Retailer 10
-
$3,697 CAD
View
B+
Retailer 11
-
$3,729 CAD
View
B+
Retailer 12
-
$4,040 CAD
View
B+
Retailer 13
-
$4,079 CAD
View
Retailer 14
-
$4,107 CAD
View
Price last confirmed 30 days ago
Retailer 15
-
$4,230 CAD
View
Price last confirmed 38 days ago
Retailer 16
-
$4,230 CAD
View
Price last confirmed 50 days ago
B+
Retailer 17
-
$4,274 CAD
View
B
Retailer 18
-
$6,149 CAD
View
B
Retailer 19
-
$7,321 CAD
View
Retailer 20
-
$7,665 CAD
View
Price last confirmed 49 days ago
Most Expensive
NZ Jewellers
431de488-9f46-45fd-8a26-4ecad8c084cf · Sep 28
$7,665 CAD
$5,488 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from $2,609 CADSave up to $4,712 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
1.01ct Round
$2,609 CAD