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6.41ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 497170133

Shape and cutting style on the report: Round brilliant

Certificate IGI 497170133

Diamond specifications and retailer prices

From $83,778 SGD
$65,590 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $83,778 SGD 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 6.41ct natural round diamond

This 6.41ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 497170133. 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

6.41
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 497170133
Dimensions11.67 × 11.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.67 mm11.74 mm6.41 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 497170133
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $83,778 SGD|Low: $82,718 SGD|High: $115,191 SGD|Avg: $92,500 SGD|-27.3%
September 23, 2026
B2C Jewels$83,778 SGD

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
19792744 · Nov 6
$83,778 SGD
$65,590 USD
View

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B+
6.41ct Round
$83,778 SGD