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Marquise|Natural|GIA

1.21ct J SI2 Marquise Natural Diamond

ID • J/SI2 • GIA 05

Certificate GIA 05

Diamond specifications and retailer prices

From $4,331 CAD
As of November 4, 2026
Save $5,487 CAD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,818 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded J 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. Listed at 8 retailers as of November 4, 2026, with prices from $4,331 to $9,818, a $5,487 spread on the same certified stone. NZ Jewellers lists it at $9,818. 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
J
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 05
Dimensions10.32 × 5.53 × 3.51 mm
L/W Ratio1.87
Top View
10.32 mm5.53 mm1.21 ctJ / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 05
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

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 4
Current: $9,818 CAD|Low: $4,331 CAD|High: $10,154 CAD|Avg: $5,842 CAD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$4,331 CAD
Retailer 8$4,488 CAD
Retailer 4$5,105 CAD
Retailer 7$5,280 CAD
Retailer 6$5,301 CAD
Retailer 5$5,396 CAD
Retailer 2$5,835 CAD
NZ Jewellers$9,818 CAD

10 data points across 8 retailers

8 retailers$4,331 CAD to $9,818 CAD

B+
Cheapest Retailer
-
$4,331 CAD
B
Retailer 2
-
$4,488 CAD
View
B
Retailer 3
-
$5,105 CAD
View
Retailer 4
-
$5,280 CAD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$5,301 CAD
View
B
Retailer 6
-
$5,396 CAD
View
B
Retailer 7
-
$5,835 CAD
View
Most Expensive
B
NZ Jewellers
04eec4f6-1c62-4a18-9070-3db39de9fa65 · Nov 5
$9,818 CAD
$6,980 USD
View
7 more retailers have this diamond
Prices start from $4,331 CADSave up to $5,487 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
$4,331 CAD