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Marquise|Natural|GIA

1.21ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6551248081

Certificate GIA 6551248081

Diamond specifications and retailer prices

From $3,893 CAD
As of November 4, 2026
Save $3,068 CAD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,962 CAD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural marquise diamond

This 1.21ct 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 6551248081. Listed at 12 retailers as of November 4, 2026, with prices from $3,893 to $6,962, a $3,068 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,962. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551248081
Dimensions11.26 × 5.48 × 3.32 mm
L/W Ratio2.05
Top View
11.26 mm5.48 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551248081
Side View
Table 58.0%Crown 39.8°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 60.5%

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: $4,287 CAD|Low: $3,893 CAD|High: $7,531 CAD|Avg: $4,992 CAD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$3,893 CAD
Retailer 5$3,988 CAD
Retailer 7$4,199 CAD
Retailer 1$4,287 CAD
Retailer 4$4,546 CAD
Retailer 2$4,690 CAD
Retailer 8$4,993 CAD
Retailer 9$5,006 CAD
Retailer 10$5,124 CAD
Retailer 3$5,176 CAD
Wholesale Diamonds Direct$6,962 CAD

41 data points across 11 retailers

12 retailers$3,893 CAD to $6,962 CAD

A
Cheapest Retailer
-
$3,893 CAD
A
Retailer 2
-
$3,988 CAD
View
A
Retailer 3
-
$4,199 CAD
View
B+
Retailer 4
-
$4,287 CAD
View
A
Retailer 5
-
$4,546 CAD
View
B+
Retailer 6
-
$4,690 CAD
View
B+
Retailer 7
-
$4,993 CAD
View
B+
Retailer 8
-
$5,006 CAD
View
B+
Retailer 9
-
$5,124 CAD
View
B+
Retailer 10
-
$5,176 CAD
View
B
Retailer 11
-
$5,549 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
378733586 · Nov 6
$6,962 CAD
$4,949 USD
View
11 more retailers have this diamond
Prices start from $3,893 CADSave up to $3,068 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
$3,893 CAD