Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6521400356

Certificate GIA 6521400356

Diamond specifications and retailer prices

From $3,736 CAD
As of November 4, 2026
Save $4,627 CAD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,070 CAD at NZ Jewellers · As of September 19, 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 6521400356. Listed at 19 retailers as of November 4, 2026, with a 124% 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

1.03
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521400356
Dimensions6.47 × 6.44 × 4.00 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.47 mm6.44 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521400356
Side View
Table 57.0%Crown 35°Girdle: MD-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,736 CAD|Low: $3,718 CAD|High: $9,070 CAD|Avg: $5,603 CAD|-3.7%
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
November 6, 2026
Retailer 12$3,736 CAD
Retailer 6$4,451 CAD
Retailer 11$4,511 CAD
Retailer 14$4,627 CAD
Retailer 13$4,818 CAD
Retailer 5$5,014 CAD
Retailer 2$5,158 CAD
Retailer 7$5,207 CAD
Retailer 3$5,216 CAD
Retailer 15$5,371 CAD
Retailer 4$5,786 CAD
Retailer 10$5,850 CAD
Retailer 8$6,120 CAD
Retailer 9$8,363 CAD
NZ Jewellers$8,736 CAD

40 data points across 15 retailers

19 retailers$3,736 CAD to $8,363 CAD

A
Cheapest Retailer
-
$3,736 CAD
A
Retailer 2
-
$4,451 CAD
View
A
Retailer 3
-
$4,511 CAD
View
B+
Retailer 4
-
$4,627 CAD
View
Final sale: no returns
B+
Retailer 5
-
$4,818 CAD
View
Retailer 6
-
$5,014 CAD
View
Price last confirmed 15 days ago
Retailer 7
-
$5,014 CAD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$5,158 CAD
View
Retailer 9
-
$5,207 CAD
View
Price last confirmed 10 days ago
Retailer 10
-
$5,208 CAD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$5,216 CAD
View
Retailer 12
-
$5,371 CAD
View
Price last confirmed 29 days ago
Retailer 13
-
$5,786 CAD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$5,850 CAD
View
Retailer 15
-
$6,007 CAD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
$6,120 CAD
View
B
Retailer 17
-
$8,363 CAD
View
Retailer 18
-
$8,736 CAD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
4099b7e5-b132-43e6-bac6-add96e1d642a · Sep 19
$9,070 CAD
$6,494 USD
View
Price last confirmed 47 days ago
18 more retailers have this diamond
Prices start from $3,736 CADSave up to $4,627 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
$3,736 CAD