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Round|Natural|IGI

3.05ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 788657387

Shape and cutting style on the report: Round brilliant

Certificate IGI 788657387

Diamond specifications and retailer prices

From $23,215 AUD
$16,307 USD
As of October 31, 2026
Save $11,061 AUD (32%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $34,276 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 788657387. Listed at 8 retailers as of October 31, 2026, with prices from $23,215 to $34,276, a $11,061 spread on the same certified stone. MOH London lists it at $34,276. 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

3.05
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle34.2°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 788657387
Dimensions9.17 × 9.24 × 5.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.17 mm9.24 mm3.05 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 788657387
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 41.2°CuletDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $34,276 AUD|Low: $22,205 AUD|High: $34,688 AUD|Avg: $26,173 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3$23,215 AUD
Retailer 4$23,646 AUD
Retailer 5$24,225 AUD
Retailer 2$26,511 AUD
MOH London$34,276 AUD

15 data points across 5 retailers

8 retailers$23,215 AUD to $34,276 AUD

A
Cheapest Retailer
-
$23,215 AUD
$16,307 USD
Final sale: no returns
A
Retailer 2
-
$23,646 AUD
$16,610 USD
View
Retailer 3
-
$24,225 AUD
$17,017 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$26,244 AUD
$18,435 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$26,511 AUD
€17,736 EUR
View
Retailer 6
-
$27,253 AUD
$19,144 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$31,091 AUD
$21,840 USD
View
Price last confirmed 34 days ago
Most Expensive
B+
MOH London
8A903DC91 · Nov 1
$34,276 AUD
£18,958 GBP
View
7 more retailers have this diamond
Prices start from $23,215 AUDSave up to $11,061 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
3.05ct Round
$23,215 AUD