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Marquise|Natural|GIA

1.21ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2245000215

Certificate GIA 2245000215

Diamond specifications and retailer prices

From $5,339 CAD
As of November 4, 2026
Save $4,228 CAD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,568 CAD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245000215. Listed at 13 retailers as of November 4, 2026, with prices from $5,339 to $9,568, a $4,228 spread on the same certified stone. Helzberg Diamonds lists it at $9,568. 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

1.21
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.01°
Pavilion angle37.63°
OriginNatural
Grading LabGIA
CertificateGIA 2245000215
Dimensions10.59 × 5.59 × 3.39 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.59 mm5.59 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245000215
Side View
Table 58.0%Crown 40.01°Girdle: MED-THKPavilion 37.63°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
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: $9,568 CAD|Low: $5,339 CAD|High: $9,963 CAD|Avg: $6,855 CAD|-4.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8$5,339 CAD
Retailer 6$5,469 CAD
Retailer 4$5,472 CAD
Retailer 9$5,656 CAD
Retailer 12$5,829 CAD
Retailer 7$6,160 CAD
Retailer 10$6,752 CAD
Retailer 11$6,792 CAD
Retailer 5$6,864 CAD
Retailer 2$7,407 CAD
Retailer 3$9,521 CAD
Helzberg Diamonds$9,568 CAD

35 data points across 12 retailers

13 retailers$5,339 CAD to $9,568 CAD

A
Cheapest Retailer
-
$5,339 CAD
A
Retailer 2
-
$5,469 CAD
View
A
Retailer 3
-
$5,472 CAD
View
B+
Retailer 4
-
$5,656 CAD
View
B+
Retailer 5
-
$5,829 CAD
View
B+
Retailer 6
-
$6,160 CAD
View
B+
Retailer 7
-
$6,752 CAD
View
B+
Retailer 8
-
$6,792 CAD
View
B+
Retailer 9
-
$6,864 CAD
View
B+
Retailer 10
-
$7,123 CAD
View
B+
Retailer 11
-
$7,407 CAD
View
B
Retailer 12
-
$9,521 CAD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKLGGGIHL · Nov 6
$9,568 CAD
$6,802 USD
View
12 more retailers have this diamond
Prices start from $5,339 CADSave up to $4,228 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
1.21ct Marquise
$5,339 CAD