Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2235875611

Certificate GIA 2235875611

Diamond specifications and retailer prices

From $8,286 CAD
As of November 6, 2026
Save $8,603 CAD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,889 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 2235875611. Listed at 15 retailers as of November 5, 2026, with prices from $8,286 to $16,889, a $8,603 spread on the same certified stone. NZ Jewellers lists it at $16,889. 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
SymmetryExcellent
FluorescenceNone
Crown angle43.71°
Pavilion angle39.87°
OriginNatural
Grading LabGIA
CertificateGIA 2235875611
Dimensions9.99 × 5.48 × 3.60 mm
L/W Ratio1.82
Culet sizeNone
Top View
9.99 mm5.48 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235875611
Side View
Table 61.0%Crown 43.71°Girdle: STK-THKPavilion 39.87°Culet: NoneDepth 65.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $16,889 CAD|Low: $9,320 CAD|High: $16,889 CAD|Avg: $11,608 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$9,320 CAD
Retailer 3$9,587 CAD
Retailer 6$9,800 CAD
Retailer 9$10,098 CAD
Retailer 7$10,253 CAD
Retailer 2$10,971 CAD
Retailer 4$12,320 CAD
Retailer 5$14,518 CAD
NZ Jewellers$16,889 CAD

46 data points across 9 retailers

15 retailers$8,286 CAD to $16,889 CAD

B+
Cheapest Retailer
-
$8,286 CAD
B+
Retailer 2
-
$8,544 CAD
View
B+
Retailer 3
-
$8,807 CAD
View
Retailer 4
-
$9,320 CAD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$9,340 CAD
View
B+
Retailer 6
-
$9,587 CAD
View
Retailer 7
-
$9,800 CAD
View
Price last confirmed 15 days ago
B
Retailer 8
-
$10,098 CAD
View
B
Retailer 9
-
$10,253 CAD
View
B
Retailer 10
-
$10,324 CAD
View
B
Retailer 11
-
$10,971 CAD
View
B
Retailer 12
-
$11,651 CAD
View
B
Retailer 13
-
$12,320 CAD
View
B
Retailer 14
-
$14,518 CAD
View
Most Expensive
B
NZ Jewellers
73d8b48a-968c-47cf-8063-b3b856ef1991 · Nov 5
$16,889 CAD
$12,007 USD
View
14 more retailers have this diamond
Prices start from $8,286 CADSave up to $8,603 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
$8,286 CAD