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0.81ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 591340304

Shape and cutting style on the report: Round brilliant

Certificate IGI 591340304

Diamond specifications and retailer prices

From $1,227 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $1,227 USD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 591340304. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.81
Carat
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 591340304
Dimensions5.94 × 5.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.94 mm5.96 mm0.81 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 591340304
Side View
Table 56.0%Crown 36.7°Girdle: $3.Pavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,227 USD|Low: $1,206 USD|High: $1,721 USD|Avg: $1,368 USD|-28.7%
September 23, 2026
B2C Jewels$1,227 USD

4 data points across 1 retailer

1 retailer

B
B2C Jewels
21745801 · Nov 6
$1,227 USD
View

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B
0.81ct Round
$1,227 USD