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Marquise|Natural|GIA

1.21ct M SI1 Marquise Natural Diamond

EX • M/SI1 • GIA 1242003834

Certificate GIA 1242003834

Diamond specifications and retailer prices

From $2,348 CAD
As of November 4, 2026
Save $1,392 CAD (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,740 CAD at Wholesale Diamonds Direct · As of November 3, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242003834. Listed at 6 retailers as of November 3, 2026, with prices from $2,348 to $3,740, a $1,392 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,740. 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
M
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle39.41°
Pavilion angle38.47°
OriginNatural
Grading LabGIA
CertificateGIA 1242003834
Dimensions11.38 × 5.44 × 3.29 mm
L/W Ratio2.09
Culet sizeNone
Top View
11.38 mm5.44 mm1.21 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1242003834
Side View
Table 59.0%Crown 39.41°Girdle: STK-THKPavilion 38.47°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,235 CAD|Low: $1,885 CAD|High: $4,246 CAD|Avg: $3,130 CAD|-15.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 3, 2026
Retailer 5$1,885 CAD
Retailer 4$2,348 CAD
Retailer 2$2,888 CAD
Retailer 3$3,028 CAD
Retailer 1$3,235 CAD
Wholesale Diamonds Direct$3,740 CAD
Retailer 6$3,774 CAD

35 data points across 7 retailers

6 retailers$2,348 CAD to $3,740 CAD

A
Cheapest Retailer
-
$2,348 CAD
B+
Retailer 2
-
$2,888 CAD
View
B+
Retailer 3
-
$3,028 CAD
View
B
Retailer 4
-
$3,085 CAD
View
B
Retailer 5
-
$3,235 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
539238965 · Nov 3
$3,740 CAD
$2,678 USD
View
5 more retailers have this diamond
Prices start from $2,348 CADSave up to $1,392 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.

A
1.21ct Marquise
$2,348 CAD