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4.03ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 613368674

Shape and cutting style on the report: Round brilliant

Certificate IGI 613368674

Diamond specifications and retailer prices

From $21,599 SGD
As of November 4, 2026
Save $12,184 SGD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $33,783 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 4.03ct natural round diamond

This 4.03ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 613368674. Listed at 15 retailers as of November 4, 2026, with prices from $21,599 to $33,783, a $12,184 spread on the same certified stone. MOH London lists it at $33,783. 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

4.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 613368674
Dimensions10.15 × 10.12 × 6.27 mm
L/W Ratio1.00
Culet sizePointed
Top View
10.15 mm10.12 mm4.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613368674
Side View
Table 62.0%Crown 34.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $33,783 SGD|Low: $21,599 SGD|High: $35,587 SGD|Avg: $26,526 SGD|-5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 11$21,599 SGD
Retailer 7$21,754 SGD
Retailer 4$22,010 SGD
Retailer 2$22,423 SGD
Retailer 9$22,510 SGD
Retailer 12$23,394 SGD
Retailer 14$23,940 SGD
Retailer 5$25,139 SGD
Retailer 6$25,936 SGD
Retailer 10$26,112 SGD
Retailer 13$26,613 SGD
Retailer 3$26,933 SGD
Retailer 8$26,991 SGD
Retailer 15$30,727 SGD
MOH London$33,783 SGD

36 data points across 15 retailers

15 retailers$21,599 SGD to $33,783 SGD

A
Cheapest Retailer
-
$21,599 SGD
A
Retailer 2
-
$21,754 SGD
View
A
Retailer 3
-
$22,010 SGD
View
A
Retailer 4
-
$22,423 SGD
View
A
Retailer 5
-
$22,510 SGD
View
A
Retailer 6
-
$23,394 SGD
View
Retailer 7
-
$23,940 SGD
View
Price last confirmed 8 days ago
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Retailer 8
-
$25,139 SGD
View
A
Retailer 9
-
$25,936 SGD
View
A
Retailer 10
-
$26,112 SGD
View
A
Retailer 11
-
$26,613 SGD
View
A
Retailer 12
-
$26,933 SGD
View
A
Retailer 13
-
$26,991 SGD
View
A
Retailer 14
-
$30,727 SGD
View
Most Expensive
A
MOH London
9847CAC73 · Nov 4
$33,783 SGD
£20,826 GBP
View
14 more retailers have this diamond
Prices start from $21,599 SGDSave up to $12,184 SGD

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
4.03ct Round
$21,599 SGD