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Round|Natural|GIA

0.73ct H I1 Round Natural Diamond

EX • H/I1 • GIA 1428082493

Certificate GIA 1428082493

Diamond specifications and retailer prices

From $1,637 AUD
$1,150 USD
As of November 1, 2026
Save $1,166 AUD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,929 AUD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1428082493. Listed at 12 retailers as of November 1, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1428082493
Dimensions5.79 × 5.76 × 3.57 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Culet sizeNone
Top View
5.79 mm5.76 mm0.73 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1428082493
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

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: Nov 1
Current: $4,929 AUD|Low: $1,637 AUD|High: $4,929 AUD|Avg: $2,312 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 6$1,637 AUD
Retailer 5$1,696 AUD
Retailer 8$1,747 AUD
Retailer 9$1,831 AUD
Retailer 11$1,831 AUD
Retailer 7$1,901 AUD
Retailer 10$2,113 AUD
Retailer 3$2,164 AUD
Retailer 4$2,164 AUD
Retailer 13$2,235 AUD
Retailer 2$2,803 AUD
Retailer 12$2,941 AUD
NZ Jewellers$4,929 AUD

21 data points across 13 retailers

12 retailers$1,637 AUD to $2,803 AUD

B+
Cheapest Retailer
-
$1,637 AUD
$1,150 USD
B+
Retailer 2
-
$1,696 AUD
$1,191 USD
View
B
Retailer 3
-
$1,747 AUD
$1,227 USD
View
B
Retailer 4
-
$1,831 AUD
$1,286 USD
View
B
Retailer 5
-
$1,831 AUD
$1,286 USD
View
B
Retailer 6
-
$1,901 AUD
$1,335 USD
View
B
Retailer 7
-
$2,113 AUD
$1,484 USD
View
B
Retailer 8
-
$2,164 AUD
$1,520 USD
View
B
Retailer 9
-
$2,164 AUD
$1,520 USD
View
B
Retailer 10
-
$2,235 AUD
$1,570 USD
View
B
Retailer 11
-
$2,803 AUD
€1,875 EUR
View
Most Expensive
NZ Jewellers
d4247145-dbe3-48bb-9d28-3dfffaf6cb56 · Oct 30
$4,929 AUD
$3,462 USD
View
Price under review
11 more retailers have this diamond
Prices start from $1,637 AUDSave up to $1,166 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
$1,637 AUD