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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 HK$4,723 HKD
$602 USD
As of October 29, 2026
Save HK$5,460 HKD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$13,746 HKD 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: HK$6,508 HKD|Low: HK$4,472 HKD|High: HK$10,243 HKD|Avg: HK$6,285 HKD|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4HK$4,472 HKD
Retailer 3HK$4,723 HKD
Retailer 5HK$4,896 HKD
Retailer 7HK$5,704 HKD
Retailer 6HK$6,228 HKD
Retailer 8HK$6,374 HKD
Retailer 1HK$6,508 HKD
Retailer 2HK$10,183 HKD

28 data points across 8 retailers

10 retailersHK$4,723 HKD to HK$10,183 HKD

Retailer 1
-
HK$4,386 HKD
$559 USD
Price last confirmed 23 days ago
Retailer 2
-
HK$4,472 HKD
$570 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
HK$4,723 HKD
$602 USD
View
Retailer 4
-
HK$4,723 HKD
$602 USD
View
Price last confirmed 16 days ago
Retailer 5
-
HK$5,060 HKD
$645 USD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
HK$5,060 HKD
$645 USD
View
B+
Retailer 7
-
HK$6,228 HKD
$794 USD
View
B+
Retailer 8
-
HK$6,508 HKD
€790 EUR
View
B
Retailer 9
-
HK$10,183 HKD
£1,022 GBP
View
Most Expensive
NZ Jewellers
e4792aba-d25a-451e-bcae-76c921dd7ac1 · Sep 26
HK$13,746 HKD
$1,752 USD
View
Price last confirmed 35 days ago
9 more retailers have this diamond
Prices start from HK$4,723 HKDSave up to HK$5,460 HKD

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
HK$4,723 HKD