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Round|Natural|IGI

3.05ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 623473225

Shape and cutting style on the report: Round brilliant

Certificate IGI 623473225

Diamond specifications and retailer prices

From $22,692 AUD
$15,940 USD
As of November 1, 2026
Save $13,339 AUD (37%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $36,031 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 623473225. Listed at 15 retailers as of November 1, 2026, with prices from $22,692 to $36,031, a $13,339 spread on the same certified stone. MOH London lists it at $36,031. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 623473225
Dimensions9.41 × 9.35 × 5.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.41 mm9.35 mm3.05 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 623473225
Side View
Table 60.0%Crown 32.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.7%

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: Nov 1
Current: $36,031 AUD|Low: $22,692 AUD|High: $38,495 AUD|Avg: $27,797 AUD|-6.4%
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 2, 2026
Retailer 9$22,692 AUD
Retailer 14$23,180 AUD
Retailer 15$23,413 AUD
Retailer 2$24,496 AUD
Retailer 12$24,899 AUD
Retailer 10$25,264 AUD
Retailer 5$25,467 AUD
Retailer 6$27,164 AUD
Retailer 7$27,588 AUD
Retailer 8$27,870 AUD
Retailer 4$28,304 AUD
Retailer 13$28,650 AUD
Retailer 11$29,908 AUD
Retailer 3$32,684 AUD
MOH London$36,031 AUD

19 data points across 15 retailers

15 retailers$22,692 AUD to $36,031 AUD

A
Cheapest Retailer
-
$22,692 AUD
$15,940 USD
A
Retailer 2
-
$23,180 AUD
$16,283 USD
View
A
Retailer 3
-
$23,413 AUD
$16,446 USD
View
A
Retailer 4
-
$24,496 AUD
£13,549 GBP
View
A
Retailer 5
-
$24,899 AUD
$17,490 USD
View
A
Retailer 6
-
$25,264 AUD
£13,974 GBP
View
A
Retailer 7
-
$25,467 AUD
$17,889 USD
View
A
Retailer 8
-
$27,164 AUD
$19,081 USD
View
A
Retailer 9
-
$27,588 AUD
$19,379 USD
View
A
Retailer 10
-
$27,870 AUD
€18,645 EUR
View
A
Retailer 11
-
$28,304 AUD
$19,882 USD
View
A
Retailer 12
-
$28,650 AUD
$20,125 USD
View
A
Retailer 13
-
$29,908 AUD
ZAR 339,394 ZAR
View
B+
Retailer 14
-
$32,684 AUD
$22,959 USD
View
Most Expensive
B+
MOH London
A3C8E18F0 · Nov 1
$36,031 AUD
£19,929 GBP
View
14 more retailers have this diamond
Prices start from $22,692 AUDSave up to $13,339 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
$22,692 AUD