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Marquise|Natural|GIA

1.02ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 3565590413

Certificate GIA 3565590413

Diamond specifications and retailer prices

From $3,466 CAD
$2,481 USD
As of November 1, 2026
Save $2,795 CAD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,261 CAD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565590413. Listed at 12 retailers as of November 1, 2026, with prices from $3,466 to $6,261, a $2,795 spread on the same certified stone. Helzberg Diamonds lists it at $6,261. 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

1.02
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.17°
OriginNatural
Grading LabGIA
CertificateGIA 3565590413
Dimensions10.96 × 5.24 × 3.04 mm
L/W Ratio2.09
Culet sizeNone
Top View
10.96 mm5.24 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565590413
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 38.17°Culet: NDepth 58.0%

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 1
Current: $6,261 CAD|Low: $3,466 CAD|High: $6,261 CAD|Avg: $4,343 CAD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$3,466 CAD
Retailer 8$3,579 CAD
Retailer 9$3,614 CAD
Retailer 6$3,641 CAD
Retailer 2$3,898 CAD
Retailer 12$3,965 CAD
Retailer 10$4,302 CAD
Retailer 11$4,425 CAD
Retailer 5$4,566 CAD
Retailer 7$4,675 CAD
Retailer 3$5,881 CAD
Helzberg Diamonds$6,261 CAD

8 data points across 12 retailers

12 retailers$3,466 CAD to $6,261 CAD

A
Cheapest Retailer
-
$3,466 CAD
$2,481 USD
A
Retailer 2
-
$3,579 CAD
$2,562 USD
View
B+
Retailer 3
-
$3,614 CAD
$2,587 USD
View
B+
Retailer 4
-
$3,641 CAD
$2,606 USD
View
B+
Retailer 5
-
$3,898 CAD
£2,197 GBP
View
B+
Retailer 6
-
$3,965 CAD
SGD 3,836 SGD
View
B+
Retailer 7
-
$4,302 CAD
$3,080 USD
View
B+
Retailer 8
-
$4,425 CAD
$3,168 USD
View
B+
Retailer 9
-
$4,566 CAD
$3,269 USD
View
B
Retailer 10
-
$4,675 CAD
€3,187 EUR
View
Retailer 11
-
$5,881 CAD
$4,210 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Helzberg Diamonds
XZRJLMLLPGKHJ · Nov 1
$6,261 CAD
$4,482 USD
View
11 more retailers have this diamond
Prices start from $3,466 CADSave up to $2,795 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
1.02ct Marquise
$3,466 CAD