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Round|Natural|IGI

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 $30,081 NZD
As of November 4, 2026
Save $16,969 NZD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $47,050 NZD 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 $30,081 to $47,050, a $16,969 spread on the same certified stone. MOH London lists it at $47,050. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $47,050 NZD|Low: $30,081 NZD|High: $49,562 NZD|Avg: $36,943 NZD|-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$30,081 NZD
Retailer 7$30,296 NZD
Retailer 4$30,654 NZD
Retailer 2$31,229 NZD
Retailer 9$31,350 NZD
Retailer 12$32,581 NZD
Retailer 14$33,342 NZD
Retailer 5$35,011 NZD
Retailer 6$36,121 NZD
Retailer 10$36,366 NZD
Retailer 13$37,063 NZD
Retailer 3$37,510 NZD
Retailer 8$37,590 NZD
Retailer 15$42,793 NZD
MOH London$47,050 NZD

36 data points across 15 retailers

15 retailers$30,081 NZD to $47,050 NZD

A
Cheapest Retailer
-
$30,081 NZD
A
Retailer 2
-
$30,296 NZD
View
A
Retailer 3
-
$30,654 NZD
View
A
Retailer 4
-
$31,229 NZD
View
A
Retailer 5
-
$31,350 NZD
View
A
Retailer 6
-
$32,581 NZD
View
Retailer 7
-
$33,342 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$35,011 NZD
View
A
Retailer 9
-
$36,121 NZD
View
A
Retailer 10
-
$36,366 NZD
View
A
Retailer 11
-
$37,063 NZD
View
A
Retailer 12
-
$37,510 NZD
View
A
Retailer 13
-
$37,590 NZD
View
A
Retailer 14
-
$42,793 NZD
View
Most Expensive
A
MOH London
9847CAC73 · Nov 4
$47,050 NZD
£20,826 GBP
View
14 more retailers have this diamond
Prices start from $30,081 NZDSave up to $16,969 NZD

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
$30,081 NZD