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Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2566398726

Certificate GIA 2566398726

Diamond specifications and retailer prices

From $3,307 CAD
As of November 4, 2026
Save $4,123 CAD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,430 CAD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566398726. Listed at 16 retailers as of November 2, 2026, with prices from $3,307 to $7,430, a $4,123 spread on the same certified stone. NZ Jewellers lists it at $7,430. 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

1.03
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566398726
Dimensions6.53 × 6.55 × 3.95 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.53 mm6.55 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566398726
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

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 4
Current: $7,430 CAD|Low: $3,307 CAD|High: $7,973 CAD|Avg: $4,771 CAD|-6.8%
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
November 4, 2026
Retailer 2$3,307 CAD
Retailer 13$3,336 CAD
Retailer 10$3,721 CAD
Retailer 8$3,938 CAD
Retailer 4$4,021 CAD
Retailer 14$4,191 CAD
Retailer 7$4,211 CAD
Retailer 11$4,265 CAD
Retailer 9$4,357 CAD
Retailer 3$4,524 CAD
Retailer 5$4,676 CAD
Retailer 6$4,707 CAD
Retailer 12$4,866 CAD
Retailer 16$5,026 CAD
Retailer 15$7,286 CAD
NZ Jewellers$7,430 CAD

26 data points across 16 retailers

16 retailers$3,307 CAD to $7,430 CAD

A
Cheapest Retailer
-
$3,307 CAD
A
Retailer 2
-
$3,336 CAD
View
A
Retailer 3
-
$3,721 CAD
View
A
Retailer 4
-
$3,938 CAD
View
A
Retailer 5
-
$4,191 CAD
View
A
Retailer 6
-
$4,211 CAD
View
A
Retailer 7
-
$4,265 CAD
View
A
Retailer 8
-
$4,357 CAD
View
B+
Retailer 9
-
$4,524 CAD
View
B+
Retailer 10
-
$4,676 CAD
View
Retailer 11
-
$4,707 CAD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$4,866 CAD
View
B+
Retailer 13
-
$5,026 CAD
View
Retailer 14
-
$5,046 CAD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$7,286 CAD
View
Most Expensive
B
NZ Jewellers
50fac8a4-b084-4287-902a-f994f3f5cc93 · Nov 2
$7,430 CAD
$5,320 USD
View
15 more retailers have this diamond
Prices start from $3,307 CADSave up to $4,123 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
1.03ct Round
$3,307 CAD