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Marquise|Natural|IGI

1.21ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 819641821

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 819641821

Diamond specifications and retailer prices

From $2,781 CAD
As of November 6, 2026
Save $1,825 CAD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,606 CAD at Wholesale Diamonds Direct · As of November 6, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 819641821. Listed at 6 retailers as of November 6, 2026, with prices from $2,781 to $4,606, a $1,825 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,606. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 819641821
Dimensions10.21 × 5.51 × 3.52 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.21 mm5.51 mm1.21 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819641821
Side View
Table 59.0%Crown 39.3°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.9%

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 6
Current: $2,781 CAD|Low: $2,771 CAD|High: $5,172 CAD|Avg: $3,616 CAD|-11.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 6, 2026
Retailer 1$2,781 CAD
Retailer 3$2,786 CAD
Retailer 5$2,876 CAD
Retailer 4$3,557 CAD
Retailer 2$3,933 CAD
Wholesale Diamonds Direct$4,606 CAD

30 data points across 6 retailers

6 retailers$2,781 CAD to $4,606 CAD

A
Cheapest Retailer
-
$2,781 CAD
A
Retailer 2
-
$2,786 CAD
View
A
Retailer 3
-
$2,876 CAD
View
A
Retailer 4
-
$3,557 CAD
View
B+
Retailer 5
-
$3,933 CAD
View
Most Expensive
B+
Wholesale Diamonds Direct
413305093 · Nov 6
$4,606 CAD
$3,274 USD
View
5 more retailers have this diamond
Prices start from $2,781 CADSave up to $1,825 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
$2,781 CAD