Round|Natural|IGI

3.08ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 573303519

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303519

Diamond specifications and retailer prices

From $20,063 AUD
As of November 1, 2026
Save $11,560 AUD (37%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $31,623 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.08ct natural round diamond

This 3.08ct 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 573303519. Listed at 15 retailers as of November 1, 2026, with prices from $20,063 to $31,623, a $11,560 spread on the same certified stone. MOH London lists it at $31,623. 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

3.08
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 573303519
Dimensions9.35 × 9.30 × 5.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.35 mm9.30 mm3.08 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 573303519
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

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 1
Current: $31,623 AUD|Low: $20,063 AUD|High: $32,614 AUD|Avg: $24,179 AUD|-3.0%
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 7$20,063 AUD
Retailer 12$20,456 AUD
Retailer 13$20,603 AUD
Retailer 9$21,195 AUD
Retailer 5$21,956 AUD
Retailer 15$22,410 AUD
Retailer 2$22,432 AUD
Retailer 3$23,905 AUD
Retailer 4$24,277 AUD
Retailer 6$24,894 AUD
Retailer 11$25,212 AUD
Retailer 10$25,414 AUD
Retailer 8$26,136 AUD
Retailer 14$28,761 AUD
MOH London$31,623 AUD

23 data points across 15 retailers

15 retailers$20,063 AUD to $31,623 AUD

A
Cheapest Retailer
-
$20,063 AUD
A
Retailer 2
-
$20,456 AUD
View
A
Retailer 3
-
$20,603 AUD
View
A
Retailer 4
-
$21,195 AUD
View
A
Retailer 5
-
$21,956 AUD
View
Retailer 6
-
$22,410 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$22,432 AUD
View
A
Retailer 8
-
$23,905 AUD
View
A
Retailer 9
-
$24,277 AUD
View
A
Retailer 10
-
$24,894 AUD
View
A
Retailer 11
-
$25,212 AUD
View
A
Retailer 12
-
$25,414 AUD
View
A
Retailer 13
-
$26,136 AUD
View
A
Retailer 14
-
$28,761 AUD
View
Most Expensive
B+
MOH London
184C964EE · Nov 4
$31,623 AUD
£17,431 GBP
View
14 more retailers have this diamond
Prices start from $20,063 AUDSave up to $11,560 AUD

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
3.08ct Round
$20,063 AUD