Round|Natural|IGI

4.03ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 584356839

Shape and cutting style on the report: Round brilliant

Certificate IGI 584356839

Diamond specifications and retailer prices

From $27,927 NZD
As of November 5, 2026
Save $9,856 NZD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $37,783 NZD at Yorxs · As of November 5, 2026
View at Yorxs

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 584356839. Listed at 4 retailers as of November 5, 2026, with prices from $27,927 to $37,783, a $9,856 spread on the same certified stone. Yorxs lists it at $37,783. 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
FluorescenceFaint
Crown angle35.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 584356839
Dimensions10.14 × 10.16 × 6.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Faint Brown
Top View
10.14 mm10.16 mm4.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 584356839
Side View
Table 56.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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 5
Current: $36,451 NZD|Low: $27,927 NZD|High: $37,984 NZD|Avg: $34,069 NZD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 2$27,927 NZD
Retailer 3$33,703 NZD
Retailer 1$36,451 NZD
Yorxs$37,783 NZD

43 data points across 4 retailers

4 retailers$27,927 NZD to $37,783 NZD

A
Cheapest Retailer
-
$27,927 NZD
B+
Retailer 2
-
$33,703 NZD
View
A
Retailer 3
-
$36,451 NZD
View
Most Expensive
B+
Yorxs
DMJ1 · Nov 5
$37,783 NZD
€20,228 EUR
View
3 more retailers have this diamond
Prices start from $27,927 NZDSave up to $9,856 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
$27,927 NZD