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Round|Natural|IGI

0.73ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 648417291

Shape and cutting style on the report: Round brilliant

Certificate IGI 648417291

Diamond specifications and retailer prices

From $857 AUD
$602 USD
As of October 29, 2026
Save $991 AUD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,494 AUD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 648417291. Listed at 10 retailers as of October 29, 2026, with a 116% 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

0.73
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle33.8°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 648417291
Dimensions5.87 × 5.81 × 3.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.87 mm5.81 mm0.73 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateIGI 648417291
Side View
Table 60.0%Crown 33.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,181 AUD|Low: $811 AUD|High: $1,859 AUD|Avg: $1,137 AUD|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4$811 AUD
Retailer 3$857 AUD
Retailer 5$888 AUD
Retailer 7$1,035 AUD
Retailer 6$1,130 AUD
Retailer 8$1,157 AUD
Retailer 1$1,181 AUD
Retailer 2$1,848 AUD

29 data points across 8 retailers

10 retailers$857 AUD to $1,848 AUD

Retailer 1
-
$796 AUD
$559 USD
Price last confirmed 22 days ago
Retailer 2
-
$811 AUD
$570 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$857 AUD
$602 USD
View
Retailer 4
-
$857 AUD
$602 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$918 AUD
$645 USD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$918 AUD
$645 USD
View
B+
Retailer 7
-
$1,130 AUD
$794 USD
View
B+
Retailer 8
-
$1,181 AUD
€790 EUR
View
B
Retailer 9
-
$1,848 AUD
£1,022 GBP
View
Most Expensive
NZ Jewellers
e4792aba-d25a-451e-bcae-76c921dd7ac1 · Sep 26
$2,494 AUD
$1,752 USD
View
Price last confirmed 34 days ago
9 more retailers have this diamond
Prices start from $857 AUDSave up to $991 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.

B+
0.73ct Round
$857 AUD