Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1553350131

Certificate GIA 1553350131

Diamond specifications and retailer prices

From $7,946 CAD
As of November 6, 2026
Save $2,139 CAD (21%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,085 CAD at Zales · As of November 5, 2026
View at Zales

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded G 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 1553350131. Listed at 10 retailers as of November 5, 2026, with prices from $7,946 to $10,085, a $2,139 spread on the same certified stone. Zales lists it at $10,085. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.96°
OriginNatural
Grading LabGIA
CertificateGIA 1553350131
Dimensions10.76 × 5.58 × 3.55 mm
L/W Ratio1.93
Culet sizeNone
Top View
10.76 mm5.58 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553350131
Side View
Table 59.0%Crown 34.6°Girdle: MED-THKPavilion 41.96°Culet: NoneDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $8,891 CAD|Low: $4,986 CAD|High: $10,609 CAD|Avg: $6,978 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Zales
November 5, 2026
Retailer 5$4,986 CAD
Retailer 12$5,588 CAD
Retailer 13$5,745 CAD
Retailer 9$5,877 CAD
Retailer 6$5,934 CAD
Retailer 8$6,093 CAD
Retailer 10$6,603 CAD
Retailer 2$7,002 CAD
Retailer 3$7,033 CAD
Retailer 7$7,123 CAD
Retailer 1$8,891 CAD
Retailer 11$9,170 CAD
Retailer 4$9,904 CAD
Zales$10,085 CAD

31 data points across 14 retailers

10 retailers$7,946 CAD to $10,085 CAD

Retailer 1
-
$5,745 CAD
Price last confirmed 17 days ago
Retailer 2
-
$5,877 CAD
View
Price last confirmed 15 days ago
Retailer 3
-
$5,934 CAD
View
Price last confirmed 15 days ago
Retailer 4
-
$6,093 CAD
View
Price last confirmed 15 days ago
Retailer 5
-
$6,603 CAD
View
Price last confirmed 16 days ago
Retailer 6
-
$7,002 CAD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$7,946 CAD
View
B
Retailer 8
-
$8,891 CAD
View
Retailer 9
-
$9,904 CAD
View
Price last confirmed 17 days ago
Most Expensive
B
Zales
529733725 · Nov 5
$10,085 CAD
$7,170 USD
View
9 more retailers have this diamond
Prices start from $7,946 CADSave up to $2,139 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.

B
1.21ct Marquise
$7,946 CAD