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Round|Natural|IGI

3.30ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 809605766

Shape and cutting style on the report: Round brilliant

Certificate IGI 809605766

Diamond specifications and retailer prices

From $20,076 AUD
$14,070 USD
As of October 31, 2026
Save $11,205 AUD (36%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $31,282 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.3ct natural round diamond

This 3.3ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 809605766. Listed at 7 retailers as of October 31, 2026, with prices from $20,076 to $31,282, a $11,205 spread on the same certified stone. MOH London lists it at $31,282. 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

3.30
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 809605766
Dimensions9.45 × 9.53 × 5.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.45 mm9.53 mm3.30 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 809605766
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

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: $31,282 AUD|Low: $18,243 AUD|High: $31,282 AUD|Avg: $23,111 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7$18,243 AUD
Retailer 5$20,076 AUD
Retailer 8$20,471 AUD
Retailer 3$20,492 AUD
Retailer 4$23,951 AUD
Retailer 2$27,019 AUD
Retailer 6$28,374 AUD
MOH London$31,282 AUD

9 data points across 8 retailers

7 retailers$20,076 AUD to $31,282 AUD

Retailer 1
-
$18,243 AUD
$12,785 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$20,076 AUD
$14,070 USD
View
A
Retailer 3
-
$20,492 AUD
$14,361 USD
View
B+
Retailer 4
-
$23,951 AUD
$16,785 USD
View
B+
Retailer 5
-
$27,019 AUD
£14,910 GBP
View
B+
Retailer 6
-
$28,374 AUD
$19,885 USD
View
Most Expensive
B+
MOH London
2E5BF2406 · Nov 1
$31,282 AUD
£17,262 GBP
View
6 more retailers have this diamond
Prices start from $20,076 AUDSave up to $11,205 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
3.30ct Round
$20,076 AUD