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Marquise|Natural|GIA

1.00ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 3545350624

Certificate GIA 3545350624

Diamond specifications and retailer prices

From $4,067 CAD
As of November 4, 2026
Save $5,490 CAD (57%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $9,557 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545350624. Listed at 27 retailers as of November 4, 2026, with prices from $4,067 to $9,557, a $5,490 spread on the same certified stone. NZ Jewellers lists it at $9,557. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.75°
Pavilion angle41.44°
OriginNatural
Grading LabGIA
CertificateGIA 3545350624
Dimensions10.02 × 5.25 × 3.30 mm
L/W Ratio1.91
Top View
10.02 mm5.25 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3545350624
Side View
Table 60.0%Crown 34.75°Girdle: MED-THKPavilion 41.44°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 4
Current: $6,018 CAD|Low: $3,603 CAD|High: $9,285 CAD|Avg: $5,583 CAD|+2.0%
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 6$4,067 CAD
Retailer 2$4,243 CAD
Retailer 8$4,324 CAD
Retailer 9$4,586 CAD
Retailer 3$4,970 CAD
Retailer 11$5,160 CAD
Retailer 4$5,524 CAD
Retailer 10$5,875 CAD
Retailer 1$6,018 CAD
Retailer 5$6,695 CAD
Retailer 7$9,174 CAD

46 data points across 11 retailers

27 retailers$4,067 CAD to $9,557 CAD

A
Cheapest Retailer
-
$4,067 CAD
A
Retailer 2
-
$4,215 CAD
View
A
Retailer 3
-
$4,243 CAD
View
A
Retailer 4
-
$4,322 CAD
View
A
Retailer 5
-
$4,324 CAD
View
A
Retailer 6
-
$4,412 CAD
View
A
Retailer 7
-
$4,561 CAD
View
B+
Retailer 8
-
$4,586 CAD
View
Final sale: no returns
B+
Retailer 9
-
$4,776 CAD
View
Retailer 10
-
$4,970 CAD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,970 CAD
View
B+
Retailer 12
-
$5,160 CAD
View
Retailer 13
-
$5,220 CAD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$5,327 CAD
View
B+
Retailer 15
-
$5,405 CAD
View
B+
Retailer 16
-
$5,524 CAD
View
B+
Retailer 17
-
$5,531 CAD
View
B+
Retailer 18
-
$5,531 CAD
View
B+
Retailer 19
-
$5,712 CAD
View
B+
Retailer 20
-
$5,734 CAD
View
Retailer 21
-
$5,875 CAD
View
Price last confirmed 29 days ago
B+
Retailer 22
-
$5,882 CAD
View
B+
Retailer 23
-
$6,018 CAD
View
B+
Retailer 24
-
$6,695 CAD
View
B
Retailer 25
-
$7,927 CAD
View
B
Retailer 26
-
$9,174 CAD
View
Most Expensive
B
NZ Jewellers
e5088513-1b1a-4e49-8f0d-b3674c8ddcc2 · Nov 5
$9,557 CAD
$6,843 USD
View
26 more retailers have this diamond
Prices start from $4,067 CADSave up to $5,490 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 Marquise
$4,067 CAD