Round|Natural|IGI

12.21ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 837627910

Shape and cutting style on the report: Round brilliant

Certificate IGI 837627910

Diamond specifications and retailer prices

From $250,983 CAD
₹17,111,551 INR
As of November 1, 2026
Save $104,408 CAD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $355,391 CAD at Yorxs · As of November 1, 2026
View at Yorxs

About this 12.21ct natural round diamond

This 12.21ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 837627910. Listed at 4 retailers as of November 1, 2026, with prices from $250,983 to $355,391, a $104,408 spread on the same certified stone. Yorxs lists it at $355,391. 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

12.21
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 837627910
Dimensions14.98 × 15.04 × 8.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
14.98 mm15.04 mm12.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 837627910
Side View
Table 60.0%Crown 31.4°Girdle: MediumPavilion 41.6°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $250,983 CAD|Low: $250,396 CAD|High: $356,976 CAD|Avg: $294,594 CAD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 1, 2026
Retailer 1$250,983 CAD
Retailer 3$278,968 CAD
Retailer 2$300,325 CAD
Yorxs$355,391 CAD

16 data points across 4 retailers

4 retailers$250,983 CAD to $355,391 CAD

A
Cheapest Retailer
-
$250,983 CAD
₹17,111,551 INR
Retailer 2
-
$278,968 CAD
$199,705 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$300,325 CAD
$214,994 USD
View
Most Expensive
B+
Yorxs
57A432E9A · Nov 1
$355,391 CAD
€242,299 EUR
View
3 more retailers have this diamond
Prices start from $250,983 CADSave up to $104,408 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
12.21ct Round
$250,983 CAD