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Round|Natural|IGI

3.03ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 573303507

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303507

Diamond specifications and retailer prices

From $13,998 USD
As of November 4, 2026
Save $7,633 USD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,631 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 573303507. Listed at 11 retailers as of November 4, 2026, with prices from $13,998 to $21,631, a $7,633 spread on the same certified stone. MOH London lists it at $21,631. 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

3.03
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 573303507
Dimensions9.35 × 9.38 × 5.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.35 mm9.38 mm3.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 573303507
Side View
Table 58.0%Crown 33.8°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.1%

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 4
Current: $21,631 USD|Low: $13,863 USD|High: $22,339 USD|Avg: $17,073 USD|+4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$13,998 USD
Retailer 7$14,093 USD
Retailer 9$15,329 USD
Retailer 2$15,892 USD
Retailer 10$16,351 USD
Retailer 11$16,607 USD
Retailer 3$17,027 USD
Retailer 5$17,245 USD
Retailer 4$17,383 USD
Retailer 8$19,674 USD
MOH London$21,631 USD

43 data points across 11 retailers

11 retailers$13,998 USD to $21,631 USD

A
Cheapest Retailer
-
$13,998 USD
A
Retailer 2
-
$14,093 USD
View
Retailer 3
-
$15,329 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$15,892 USD
View
A
Retailer 5
-
$16,351 USD
View
A
Retailer 6
-
$16,607 USD
View
B+
Retailer 7
-
$17,027 USD
View
A
Retailer 8
-
$17,245 USD
View
A
Retailer 9
-
$17,383 USD
View
B+
Retailer 10
-
$19,674 USD
View
Most Expensive
B+
MOH London
4EA86EAC1 · Nov 4
$21,631 USD
£17,032 GBP
View
10 more retailers have this diamond
Prices start from $13,998 USDSave up to $7,633 USD

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
3.03ct Round
$13,998 USD