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Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $7,089 CAD
As of November 1, 2026
Save $8,611 CAD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $15,700 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 10 retailers as of November 1, 2026, with prices from $7,089 to $15,700, a $8,611 spread on the same certified stone. NZ Jewellers lists it at $15,700. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.20 × 5.74 × 3.29 mm
L/W Ratio1.78
Top View
10.20 mm5.74 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 68.0%CrownGirdle: ThickPavilionCuletDepth 57.3%

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 1
Current: $15,700 CAD|Low: $7,089 CAD|High: $17,680 CAD|Avg: $9,832 CAD|-11.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$7,089 CAD
Retailer 7$8,051 CAD
Retailer 3$8,504 CAD
Retailer 4$8,504 CAD
Retailer 5$8,504 CAD
Retailer 10$8,559 CAD
Retailer 2$9,108 CAD
Retailer 9$9,510 CAD
Retailer 6$9,814 CAD
NZ Jewellers$15,700 CAD

31 data points across 10 retailers

10 retailers$7,089 CAD to $15,700 CAD

B+
Cheapest Retailer
-
$7,089 CAD
B
Retailer 2
-
$8,051 CAD
View
Retailer 3
-
$8,504 CAD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$8,504 CAD
View
B
Retailer 5
-
$8,504 CAD
View
B
Retailer 6
-
$8,559 CAD
View
B
Retailer 7
-
$9,108 CAD
View
B
Retailer 8
-
$9,510 CAD
View
B
Retailer 9
-
$9,814 CAD
View
Most Expensive
C
NZ Jewellers
e9cb07d0-8cb8-4821-aee2-af32967f0286 · Nov 5
$15,700 CAD
$11,162 USD
View
9 more retailers have this diamond
Prices start from $7,089 CADSave up to $8,611 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
$7,089 CAD