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Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2564476979

Certificate GIA 2564476979

Diamond specifications and retailer prices

From $2,430 CAD
As of November 6, 2026
Save $3,216 CAD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,646 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564476979. Listed at 14 retailers as of November 4, 2026, with prices from $2,430 to $5,646, a $3,216 spread on the same certified stone. MOH London lists it at $5,646. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2564476979
Dimensions6.41 × 6.36 × 3.96 mm
L/W Ratio1.01
Top View
6.41 mm6.36 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564476979
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.0%

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: $5,646 CAD|Low: $2,430 CAD|High: $6,087 CAD|Avg: $3,589 CAD|-7.3%
MOH London
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 3$2,430 CAD
Retailer 2$2,443 CAD
Retailer 12$2,919 CAD
Retailer 7$3,089 CAD
Retailer 10$3,230 CAD
Retailer 11$3,233 CAD
Retailer 4$3,424 CAD
Retailer 5$3,424 CAD
Retailer 6$3,490 CAD
Retailer 9$3,802 CAD
Retailer 8$3,943 CAD
Retailer 13$4,714 CAD
MOH London$5,646 CAD

22 data points across 13 retailers

14 retailers$2,430 CAD to $5,646 CAD

A
Cheapest Retailer
-
$2,430 CAD
A
Retailer 2
-
$2,443 CAD
View
A
Retailer 3
-
$2,919 CAD
View
A
Retailer 4
-
$3,089 CAD
View
A
Retailer 5
-
$3,230 CAD
View
B+
Retailer 6
-
$3,233 CAD
View
Retailer 7
-
$3,424 CAD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$3,424 CAD
View
B+
Retailer 9
-
$3,490 CAD
View
B+
Retailer 10
-
$3,802 CAD
View
Retailer 11
-
$3,923 CAD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$3,943 CAD
View
B+
Retailer 13
-
$4,714 CAD
View
Most Expensive
B
MOH London
50E22FE5A · Nov 4
$5,646 CAD
£3,183 GBP
View
13 more retailers have this diamond
Prices start from $2,430 CADSave up to $3,216 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
$2,430 CAD