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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 $1,068 NZD
$602 USD
As of October 29, 2026
Save $1,221 NZD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,109 NZD 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 114% 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: $1,466 NZD|Low: $1,011 NZD|High: $2,316 NZD|Avg: $1,420 NZD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$1,011 NZD
Retailer 3$1,068 NZD
Retailer 5$1,107 NZD
Retailer 7$1,290 NZD
Retailer 6$1,408 NZD
Retailer 8$1,442 NZD
Retailer 1$1,466 NZD
Retailer 2$2,289 NZD

29 data points across 8 retailers

10 retailers$1,068 NZD to $2,289 NZD

Retailer 1
-
$992 NZD
$559 USD
Price last confirmed 23 days ago
Retailer 2
-
$1,011 NZD
$570 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$1,068 NZD
$602 USD
View
Retailer 4
-
$1,068 NZD
$602 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$1,144 NZD
$645 USD
View
Price last confirmed 23 days ago
B+
Retailer 6
-
$1,144 NZD
$645 USD
View
B+
Retailer 7
-
$1,408 NZD
$794 USD
View
B+
Retailer 8
-
$1,466 NZD
€787 EUR
View
B
Retailer 9
-
$2,289 NZD
£1,016 GBP
View
Most Expensive
NZ Jewellers
e4792aba-d25a-451e-bcae-76c921dd7ac1 · Sep 26
$3,109 NZD
$1,752 USD
View
Price last confirmed 35 days ago
9 more retailers have this diamond
Prices start from $1,068 NZDSave up to $1,221 NZD

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
$1,068 NZD