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Round|Natural|IGI

3.08ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 573303593

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303593

Diamond specifications and retailer prices

From $15,395 AUD
As of November 5, 2026
Save $7,567 AUD (33%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $24,682 AUD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

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 573303593. Listed at 18 retailers as of November 4, 2026, with a 49% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceStrong
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 573303593
Dimensions9.38 × 9.35 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Faint Brown
Top View
9.38 mm9.35 mm3.08 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 573303593
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.5%

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: $16,126 AUD|Low: $15,395 AUD|High: $27,433 AUD|Avg: $18,856 AUD|-17.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$15,395 AUD
Retailer 9$15,642 AUD
Retailer 2$15,723 AUD
Retailer 8$15,872 AUD
Retailer 7$16,028 AUD
Retailer 1$16,126 AUD
Retailer 4$18,453 AUD
Retailer 3$18,789 AUD
Retailer 5$22,962 AUD

30 data points across 9 retailers

18 retailers$15,395 AUD to $22,962 AUD

A
Cheapest Retailer
-
$15,395 AUD
Retailer 2
-
$15,642 AUD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$15,723 AUD
View
A
Retailer 4
-
$15,872 AUD
View
A
Retailer 5
-
$16,028 AUD
View
A
Retailer 6
-
$16,126 AUD
View
Retailer 7
-
$16,579 AUD
View
Price last confirmed 43 days ago
Retailer 8
-
$17,708 AUD
View
Price last confirmed 53 days ago
A
Retailer 9
-
$18,453 AUD
View
Retailer 10
-
$18,752 AUD
View
Price last confirmed 38 days ago
A
Retailer 11
-
$18,789 AUD
View
Retailer 12
-
$19,045 AUD
View
Price last confirmed 36 days ago
Retailer 13
-
$19,446 AUD
View
Price last confirmed 45 days ago
Retailer 14
-
$19,778 AUD
View
Price last confirmed 38 days ago
Retailer 15
-
$20,433 AUD
View
Price last confirmed 53 days ago
B+
Retailer 16
-
$22,962 AUD
View
Retailer 17
-
$23,107 AUD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
b766d639-3948-4655-8e5e-7f8316ca1339 · Sep 15
$24,682 AUD
$17,278 USD
View
Price last confirmed 52 days ago
17 more retailers have this diamond
Prices start from $15,395 AUDSave up to $7,567 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
$15,395 AUD