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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 3545059321

Certificate GIA 3545059321

Diamond specifications and retailer prices

From $3,128 CAD
As of November 4, 2026
Save $3,737 CAD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,582 CAD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3545059321. Listed at 18 retailers as of November 2, 2026, with a 119% 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

1.00
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3545059321
Dimensions6.45 × 6.40 × 3.98 mm
L/W Ratio1.01
Top View
6.45 mm6.40 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3545059321
Side View
Table 56.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°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 4
Current: $4,342 CAD|Low: $3,128 CAD|High: $7,156 CAD|Avg: $4,585 CAD
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 10$3,128 CAD
Retailer 7$3,251 CAD
Retailer 5$3,600 CAD
Retailer 8$3,641 CAD
Retailer 11$3,771 CAD
Retailer 3$3,789 CAD
Retailer 4$4,320 CAD
Retailer 1$4,342 CAD
Retailer 6$4,768 CAD
Retailer 9$6,866 CAD
Retailer 2$7,130 CAD

27 data points across 11 retailers

18 retailers$3,128 CAD to $6,866 CAD

A
Cheapest Retailer
-
$3,128 CAD
A
Retailer 2
-
$3,251 CAD
View
A
Retailer 3
-
$3,600 CAD
View
A
Retailer 4
-
$3,641 CAD
View
A
Retailer 5
-
$3,771 CAD
View
A
Retailer 6
-
$3,789 CAD
View
Final sale: no returns
A
Retailer 7
-
$3,866 CAD
View
Retailer 8
-
$4,105 CAD
View
Price last confirmed 21 days ago
Retailer 9
-
$4,105 CAD
View
Price last confirmed 17 days ago
Retailer 10
-
$4,262 CAD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$4,303 CAD
View
B+
Retailer 12
-
$4,320 CAD
View
Retailer 13
-
$4,342 CAD
View
Retailer 14
-
$4,737 CAD
View
Price last confirmed 19 days ago
B+
Retailer 15
-
$4,768 CAD
View
B
Retailer 16
-
$6,866 CAD
View
Retailer 17
-
$7,130 CAD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
ee99d515-89b0-4947-b6a3-452c10ed6a7d · Oct 17
$8,582 CAD
$6,145 USD
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from $3,128 CADSave up to $3,737 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
$3,128 CAD