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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7558906414

Certificate GIA 7558906414

Diamond specifications and retailer prices

From $3,549 CAD
As of November 3, 2026
Save $3,021 CAD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,570 CAD at Helzberg Diamonds · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558906414. Listed at 15 retailers as of November 3, 2026, with prices from $3,549 to $6,570, a $3,021 spread on the same certified stone. Helzberg Diamonds lists it at $6,570. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.77°
Pavilion angle38.19°
OriginNatural
Grading LabGIA
CertificateGIA 7558906414
Dimensions9.86 × 5.17 × 3.20 mm
L/W Ratio1.91
Culet sizeNone
Top View
9.86 mm5.17 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558906414
Side View
Table 59.0%Crown 39.77°Girdle: STK-THKPavilion 38.19°Culet: NDepth 61.9%

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 3
Current: $6,570 CAD|Low: $3,549 CAD|High: $6,702 CAD|Avg: $4,583 CAD|-2.0%
Helzberg Diamonds
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 5, 2026
Retailer 5$3,549 CAD
Retailer 2$3,611 CAD
Retailer 12$3,794 CAD
Retailer 6$3,834 CAD
Retailer 7$3,901 CAD
Retailer 9$4,085 CAD
Retailer 4$4,159 CAD
Retailer 15$4,472 CAD
Retailer 8$4,515 CAD
Retailer 11$4,605 CAD
Retailer 3$4,619 CAD
Retailer 14$4,794 CAD
Retailer 10$5,828 CAD
Retailer 13$6,193 CAD
Helzberg Diamonds$6,570 CAD

37 data points across 15 retailers

15 retailers$3,549 CAD to $6,570 CAD

A
Cheapest Retailer
-
$3,549 CAD
A
Retailer 2
-
$3,611 CAD
View
B+
Retailer 3
-
$3,794 CAD
View
B+
Retailer 4
-
$3,834 CAD
View
B+
Retailer 5
-
$3,901 CAD
View
B+
Retailer 6
-
$4,085 CAD
View
B+
Retailer 7
-
$4,159 CAD
View
B+
Retailer 8
-
$4,472 CAD
View
B+
Retailer 9
-
$4,515 CAD
View
B+
Retailer 10
-
$4,605 CAD
View
B+
Retailer 11
-
$4,619 CAD
View
B+
Retailer 12
-
$4,794 CAD
View
B
Retailer 13
-
$5,828 CAD
View
B
Retailer 14
-
$6,193 CAD
View
Most Expensive
B
Helzberg Diamonds
XZRNLLOPGMKHK · Nov 3
$6,570 CAD
$4,671 USD
View
14 more retailers have this diamond
Prices start from $3,549 CADSave up to $3,021 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
$3,549 CAD