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Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 5241043968

Certificate GIA 5241043968

Diamond specifications and retailer prices

From $6,086 CAD
As of November 6, 2026
Save $5,623 CAD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,710 CAD at MOH London · As of November 4, 2026
View at MOH London

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 5241043968. Listed at 6 retailers as of November 4, 2026, with prices from $6,086 to $11,710, a $5,623 spread on the same certified stone. MOH London lists it at $11,710. 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
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5241043968
Dimensions9.95 × 5.76 × 3.62 mm
L/W Ratio1.73
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Feather, Natural
Top View
9.95 mm5.76 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5241043968
Side View
Table 53.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,710 CAD|Low: $5,936 CAD|High: $11,867 CAD|Avg: $8,480 CAD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$5,936 CAD
Retailer 3$7,285 CAD
Retailer 5$8,136 CAD
Retailer 2$8,293 CAD
MOH London$11,710 CAD

34 data points across 5 retailers

6 retailers$6,086 CAD to $11,710 CAD

Retailer 1
-
$5,936 CAD
Price last confirmed 10 days ago
B+
Retailer 2
-
$6,086 CAD
View
B
Retailer 3
-
$7,285 CAD
View
Retailer 4
-
$8,136 CAD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$8,293 CAD
View
Most Expensive
B
MOH London
2F5F63AFF · Nov 4
$11,710 CAD
£6,555 GBP
View
5 more retailers have this diamond
Prices start from $6,086 CADSave up to $5,623 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
$6,086 CAD