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Marquise|Natural|GIA

1.21ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6555372918

Certificate GIA 6555372918

Diamond specifications and retailer prices

From $3,685 CAD
As of November 5, 2026
Save $4,228 CAD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,914 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 6555372918. Listed at 13 retailers as of November 5, 2026, with prices from $3,685 to $7,914, a $4,228 spread on the same certified stone. NZ Jewellers lists it at $7,914. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle41.16°
Pavilion angle40.57°
OriginNatural
Grading LabGIA
CertificateGIA 6555372918
Dimensions10.55 × 5.49 × 3.51 mm
L/W Ratio1.92
Culet sizeNone
Top View
10.55 mm5.49 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6555372918
Side View
Table 57.0%Crown 41.16°Girdle: STK-VTKPavilion 40.57°Culet: NoneDepth 63.9%

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 5
Current: $7,914 CAD|Low: $2,950 CAD|High: $7,914 CAD|Avg: $3,865 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 5$2,950 CAD
Retailer 6$3,204 CAD
Retailer 3$3,418 CAD
Retailer 10$3,685 CAD
Retailer 16$3,908 CAD
Retailer 12$3,969 CAD
Retailer 7$4,102 CAD
Retailer 13$4,114 CAD
Retailer 8$4,200 CAD
Retailer 11$4,522 CAD
Retailer 2$4,636 CAD
Retailer 14$4,649 CAD
Retailer 9$4,699 CAD
Retailer 4$5,110 CAD
Retailer 15$5,863 CAD
NZ Jewellers$7,914 CAD

32 data points across 16 retailers

13 retailers$3,685 CAD to $7,914 CAD

Retailer 1
-
$3,204 CAD
Price last confirmed 20 days ago
Retailer 2
-
$3,418 CAD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$3,685 CAD
View
B+
Retailer 4
-
$3,969 CAD
View
B+
Retailer 5
-
$4,085 CAD
View
B+
Retailer 6
-
$4,114 CAD
View
B
Retailer 7
-
$4,522 CAD
View
B
Retailer 8
-
$4,636 CAD
View
B
Retailer 9
-
$4,649 CAD
View
B
Retailer 10
-
$4,699 CAD
View
Retailer 11
-
$5,110 CAD
View
Price last confirmed 18 days ago
B
Retailer 12
-
$5,863 CAD
View
Most Expensive
C
NZ Jewellers
bb823756-70fd-443a-9a0a-294775cc99d0 · Nov 5
$7,914 CAD
$5,626 USD
View
12 more retailers have this diamond
Prices start from $3,685 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.

B+
1.21ct Marquise
$3,685 CAD