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3.30ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 683598440

Shape and cutting style on the report: Round brilliant

Certificate IGI 683598440

Diamond specifications and retailer prices

From $34,423 AUD
$24,180 USD
As of October 30, 2026
Save $19,475 AUD (36%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $53,897 AUD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 683598440. Listed at 14 retailers as of October 29, 2026, with prices from $34,423 to $53,897, a $19,475 spread on the same certified stone. MOH London lists it at $53,897. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 683598440
Dimensions9.58 × 9.61 × 5.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
9.58 mm9.61 mm3.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 683598440
Side View
Table 61.0%Crown 31.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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 30
Current: $53,897 AUD|Low: $34,423 AUD|High: $54,255 AUD|Avg: $40,787 AUD|+0.4%
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
October 31, 2026
Retailer 14$34,423 AUD
Retailer 6$34,497 AUD
Retailer 2$35,158 AUD
Retailer 12$36,310 AUD
Retailer 5$36,871 AUD
Retailer 11$37,889 AUD
Retailer 10$39,784 AUD
Retailer 8$40,325 AUD
Retailer 13$41,047 AUD
Retailer 7$41,800 AUD
Retailer 4$42,625 AUD
Retailer 9$44,262 AUD
Retailer 3$48,629 AUD
MOH London$53,897 AUD

41 data points across 14 retailers

14 retailers$34,423 AUD to $53,897 AUD

A
Cheapest Retailer
-
$34,423 AUD
$24,180 USD
A
Retailer 2
-
$34,497 AUD
$24,232 USD
View
A
Retailer 3
-
$35,158 AUD
£19,446 GBP
View
A
Retailer 4
-
$36,310 AUD
$25,506 USD
View
Final sale: no returns
A
Retailer 5
-
$36,871 AUD
$25,900 USD
View
A
Retailer 6
-
$37,889 AUD
$26,615 USD
View
A
Retailer 7
-
$39,784 AUD
$27,946 USD
View
A
Retailer 8
-
$40,325 AUD
€26,977 EUR
View
B+
Retailer 9
-
$41,047 AUD
$28,833 USD
View
A
Retailer 10
-
$41,800 AUD
£23,120 GBP
View
B+
Retailer 11
-
$42,625 AUD
$29,942 USD
View
B+
Retailer 12
-
$44,262 AUD
ZAR 502,290 ZAR
View
B+
Retailer 13
-
$48,629 AUD
$34,159 USD
View
Most Expensive
B
MOH London
D4353BCF9 · Oct 29
$53,897 AUD
£29,811 GBP
View
13 more retailers have this diamond
Prices start from $34,423 AUDSave up to $19,475 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
$34,423 AUD